Cookie Policy

Last Updated: July 29, 2026

MARSTEN is operated by ZENTARA BRANDS LIMITED (“MARSTEN,” “we,” “us,” or “our”).

This Cookie Policy explains how MARSTEN, Shopify, and our authorized service providers use cookies and similar technologies when you visit or interact with marstenhome.com.

This policy should be read together with our:

Where applicable law requires consent, we will request the required choice before using non-essential cookies or similar technologies.

Essential technologies that are reasonably necessary to operate, secure, and provide the website and services you request may be used without consent where permitted by law.

1. What Cookies Are

Cookies are small data files stored on your computer, smartphone, tablet, or other device when you visit a website.

Cookies and similar technologies can allow a website or service provider to recognize a browser or device and may be used to:

  • Operate website features

  • Keep products in a shopping cart

  • Maintain secure checkout sessions

  • Authenticate customer accounts

  • Remember preferences

  • Apply privacy choices

  • Measure website activity

  • Detect fraud or suspicious activity

  • Improve website performance

  • Measure advertising effectiveness

  • Personalize content or advertising where permitted

Cookies may be placed directly through the MARSTEN website or by Shopify and other services integrated with our website.

2. Similar Technologies

In addition to conventional browser cookies, we and our service providers may use technologies such as:

  • Pixels

  • Tags

  • Web beacons

  • Local storage

  • Session storage

  • Device identifiers

  • Advertising identifiers

  • Embedded scripts

  • Tracking URLs

  • Server-side event technologies

  • Software development kits

  • Log files

References to “cookies” in this policy include these similar technologies unless the context indicates otherwise.

Some technologies store information on your device. Others transmit or process information without placing a conventional browser cookie.

3. First-Party and Third-Party Cookies

First-Party Cookies

First-party cookies are placed through the MARSTEN website domain.

They may be used to:

  • Operate the online store

  • Maintain secure sessions

  • Preserve shopping-cart activity

  • Remember preferences

  • Apply privacy choices

  • Support security

  • Measure website functionality

Third-Party Cookies

Third-party cookies or similar technologies are placed, accessed, or operated by an external service connected with our website.

Third-party services may support functions such as:

  • Ecommerce hosting

  • Checkout and payment processing

  • Fraud prevention

  • Website analytics

  • Advertising

  • Customer support

  • Product reviews

  • Email marketing

  • Social-media features

  • Website performance

  • Shipping and order tracking

  • Privacy and consent management

Third parties may process information according to their own privacy notices, contractual responsibilities, and applicable laws.

4. Session and Persistent Cookies

Session Cookies

Session cookies generally remain active only while your browser is open and may be deleted when the browser session ends.

They may be used to:

  • Maintain website navigation

  • Preserve shopping-cart activity

  • Support checkout

  • Maintain secure sessions

  • Authenticate temporary activity

Persistent Cookies

Persistent cookies remain on your device for a specified period or until they are deleted.

They may be used to:

  • Remember preferences

  • Recognize returning browsers

  • Maintain customer-account sessions

  • Apply privacy choices

  • Measure recurring website activity

  • Support analytics

  • Measure advertising effectiveness

The duration of a cookie depends on its purpose, configuration, and provider.

5. Categories of Cookies We May Use

The categories below describe the main types of cookies and similar technologies that may be used through MARSTEN.

The names displayed in our live consent or preference controls may vary slightly according to the system being used.

A. Essential Cookies

Essential cookies are reasonably necessary to operate the website securely or provide a service expressly requested by the visitor.

They may support:

  • Page navigation

  • Shopping-cart functionality

  • Checkout

  • Payment processing

  • Customer accounts

  • Order processing

  • Website and account security

  • Fraud detection

  • Load balancing

  • Network management

  • Privacy and consent preferences

  • Access to protected website areas

  • Prevention of repeated or malicious activity

Because these technologies are necessary for core website functions, they generally cannot be disabled through our cookie-preference controls.

You may be able to block them through your browser, but doing so may prevent the website, shopping cart, customer account, or checkout from functioning correctly.

B. Functional Cookies

Functional cookies support convenience, preferences, and enhanced website features.

They may remember:

  • Country or region

  • Language

  • Display preferences

  • Recently viewed products

  • Customer-account settings

  • Saved selections

  • Accessibility-related preferences

  • Cookie and privacy choices

Disabling functional cookies may cause certain convenience or personalization features to become unavailable.

C. Analytics and Performance Cookies

Analytics and performance cookies help us understand how visitors use the website and how the website performs.

They may collect or generate information concerning:

  • Pages visited

  • Products viewed

  • Referral sources

  • Navigation paths

  • Session duration

  • Website interactions

  • Device and browser type

  • Approximate location

  • Website errors

  • Website speed

  • Shopping-cart activity

  • Checkout activity

  • Purchase and conversion events

We may use this information to:

  • Evaluate website performance

  • Understand customer interaction

  • Diagnose technical problems

  • Improve navigation

  • Improve product pages

  • Measure store performance

  • Evaluate marketing activity

  • Improve the customer experience

Where applicable law requires consent, analytics and performance technologies will be used only after the required consent has been obtained.

D. Advertising and Marketing Cookies

Advertising and marketing cookies may be used to:

  • Measure advertising campaigns

  • Attribute purchases or other actions to advertisements

  • Limit how frequently an advertisement is displayed

  • Build or measure advertising audiences

  • Display advertising that may be relevant to customer interests

  • Support remarketing or retargeting

  • Understand interactions with MARSTEN advertising

  • Measure conversions and advertising performance

These technologies may process information such as:

  • Cookie identifiers

  • Device identifiers

  • Advertising identifiers

  • IP address

  • Browser and device information

  • Pages or products viewed

  • Advertisements viewed or selected

  • Purchase or conversion events

  • Approximate location

  • Interaction history

  • Hashed or pseudonymized identifiers

Advertising providers may combine information collected through MARSTEN with information obtained from other websites, applications, devices, merchants, or sources, subject to their own practices and applicable law.

Under certain U.S. privacy laws, some advertising-related disclosures may be considered:

  • A sale of personal information

  • Sharing for cross-context behavioral advertising

  • Processing for targeted advertising

Applicable opt-out choices are described in our Do Not Sell or Share My Personal Information page.

6. How We Use Cookie-Related Information

We and our authorized providers may use cookie-related information to:

  • Operate and secure the website

  • Maintain shopping-cart and checkout sessions

  • Authenticate customer accounts

  • Process transactions

  • Prevent fraud and unauthorized activity

  • Remember website and privacy preferences

  • Diagnose errors

  • Measure website traffic and performance

  • Understand product interest

  • Improve website content and navigation

  • Personalize content where permitted

  • Measure advertising and marketing

  • Attribute orders or other activity to advertising

  • Maintain records of consent or opt-out choices

  • Comply with legal obligations

  • Establish, exercise, or defend legal claims

Further information about how we use personal information is provided in our Privacy Policy.

7. Shopify Technologies

The MARSTEN online store is hosted through Shopify.

Shopify may use cookies and similar technologies to provide functions including:

  • Storefront operation

  • Shopping-cart functionality

  • Checkout

  • Customer accounts

  • Payment processing

  • Security

  • Fraud prevention

  • Analytics

  • Personalization

  • Advertising-related services

  • Recording customer privacy choices

Depending on the Shopify services and settings enabled for MARSTEN, Shopify may process information from interactions with our store and other Shopify services.

Information about Shopify’s own processing practices and direct privacy choices is available through the:

Where Shopify Network Intelligence or related Shopify services are enabled, their use must remain consistent with:

  • Our Privacy Policy

  • Our customer-privacy settings

  • The consent and opt-out choices presented through the website

  • Applicable legal requirements

8. Analytics Services

We may use analytics services to understand website traffic, performance, navigation, and purchasing activity.

Depending on the services installed and the visitor’s privacy choices, analytics providers may process information such as:

  • IP address

  • Device type

  • Browser type

  • Operating system

  • Referral source

  • Pages viewed

  • Website interactions

  • Session information

  • Order and conversion events

  • Approximate location

Analytics information may be:

  • Aggregated

  • Pseudonymized

  • Associated with a cookie or device identifier

  • Associated with an order or customer record where permitted

Where consent is required, non-essential analytics technologies will not be activated until the required consent has been obtained.

9. Advertising Services

We may use search, social-media, attribution, and other advertising services to:

  • Promote MARSTEN

  • Measure advertising performance

  • Understand advertising interactions

  • Attribute orders to marketing activity

  • Create or measure audiences

  • Provide relevant advertising where permitted

Depending on the services connected to our store, these providers may include:

  • Search advertising providers

  • Social-media advertising platforms

  • Advertising measurement providers

  • Audience and attribution services

  • Affiliate or referral platforms

You may manage applicable advertising-related choices through:

  • Our cookie banner

  • The Cookie Preferences control

  • The Your Privacy Choices control

  • Our Do Not Sell or Share My Personal Information page

  • A supported Global Privacy Control signal

  • Available provider-level privacy controls

10. Google Services and Consent Mode

Where Google advertising or analytics services are connected to MARSTEN, we may use Google Consent Mode or another compatible consent mechanism.

Consent Mode is designed to communicate consent choices to supported Google tags and adjust how those tags behave according to the applicable consent status.

Depending on the implementation and visitor choice, Google tags may process consent states relating to areas such as:

  • Analytics storage

  • Advertising storage

  • Advertising user data

  • Advertising personalization

  • Functionality

  • Personalization

  • Security

Google Consent Mode does not itself obtain consent. Consent must be collected through an appropriate website banner or consent-management system and correctly communicated to the relevant Google tags.

Our Google services, cookie banner, Shopify customer-privacy settings, installed applications, and custom pixels must be configured consistently.

Where required by law, Google advertising or analytics technologies will be restricted unless the required consent has been obtained.

11. Payment and Checkout Technologies

Payment providers, digital-wallet providers, banks, and card networks may use cookies or similar technologies to:

  • Process transactions

  • Authenticate customers

  • Maintain secure payment sessions

  • Prevent payment fraud

  • Apply bank or card authentication

  • Remember wallet preferences

  • Comply with legal obligations

Payment-related technologies reasonably necessary to complete a transaction or maintain payment security may be treated as essential where permitted by law.

MARSTEN does not use cookies to store complete payment-card numbers or card security codes within its ordinary business systems.

Payment providers process information according to their own terms, privacy notices, security procedures, and legal responsibilities.

12. Customer Support, Reviews, and Other Applications

Where enabled, customer-support, chat, contact-form, product-review, email, or other website applications may use cookies or similar technologies to:

  • Maintain a support session

  • Remember communication history

  • Operate chat or contact features

  • Prevent spam and abuse

  • Authenticate review submissions

  • Display or manage reviews

  • Measure engagement with website features

  • Remember application settings

Some optional applications may not function correctly when the cookies they use are disabled.

Applications may change over time as services are installed, removed, replaced, or reconfigured.

13. Cookie Consent

Where applicable law requires consent, our cookie banner or consent-management system may allow visitors to:

  • Accept non-essential cookies

  • Reject non-essential cookies

  • Select individual categories

  • Save customized preferences

  • Withdraw or change consent later

Your choice may be stored using an essential consent cookie or similar technology so that the website can remember and apply the preference.

Rejecting non-essential cookies does not prevent the use of essential technologies reasonably necessary to:

  • Operate the website

  • Maintain security

  • Preserve the shopping cart

  • Process checkout

  • Prevent fraud

  • Record privacy choices

  • Provide services expressly requested by the visitor

The appearance and options of the banner may vary by region because privacy requirements differ among jurisdictions.

14. Changing Your Cookie Preferences

You may review or change available cookie choices at any time through:

Cookie Preferences

Changing your preference will generally affect the future use of optional cookies and similar technologies.

Changing a preference may not automatically:

  • Delete cookies already stored on your device

  • Delete information previously collected

  • Remove information lawfully retained for security, fraud prevention, legal compliance, or other permitted purposes

  • Apply the choice to another browser or device

  • Unsubscribe you from marketing emails

You may delete existing cookies through your browser or device settings.

15. Browser and Device Controls

Most browsers allow you to:

  • Review stored cookies

  • Delete cookies

  • Block cookies

  • Block third-party cookies

  • Allow cookies only from selected websites

  • Receive a notification before cookies are stored

  • Clear website data after closing the browser

The available controls depend on your:

  • Browser

  • Browser version

  • Device

  • Operating system

Blocking or deleting cookies may:

  • Remove saved preferences

  • Sign you out of an account

  • Empty or affect the shopping cart

  • Require privacy choices to be submitted again

  • Prevent checkout or other website features from operating correctly

Changing browser settings may not communicate a formal sale, sharing, or targeted-advertising opt-out to every provider.

For those choices, use Your Privacy Choices, our Do Not Sell or Share My Personal Information page, or a supported Global Privacy Control signal.

16. Global Privacy Control

Some browsers and browser extensions can transmit a privacy preference signal known as Global Privacy Control, or GPC.

Where required by applicable law and supported by our website and privacy systems, we treat a recognized GPC signal as a request to opt out of applicable:

  • Sale of personal information

  • Sharing of personal information for cross-context behavioral advertising

  • Processing for targeted advertising

A browser-based signal generally applies only to the browser and device transmitting it.

You may need to enable GPC separately on each browser and device you use.

Further information is available on our Do Not Sell or Share My Personal Information page.

17. United States Privacy Choices

Residents of certain U.S. states may have rights concerning:

  • Sale of personal information

  • Sharing for cross-context behavioral advertising

  • Targeted advertising

  • Certain forms of profiling

Where applicable, you may exercise an opt-out through:

An advertising opt-out does not prevent the use of essential or legally permitted technologies required to:

  • Operate the store

  • Process an order

  • Complete payment

  • Provide customer support

  • Maintain security

  • Prevent fraud

  • Remember privacy preferences

  • Comply with law

  • Defend legal claims

18. Do Not Track

Some browsers provide a general “Do Not Track” setting.

There is no single universally adopted technical standard governing how every website and provider responds to all Do Not Track signals.

A general Do Not Track setting may not have the same effect as:

Where applicable law requires recognition of a particular opt-out preference signal, we will process that signal as required and where technically supported.

19. International Visitors

Although MARSTEN currently sells and delivers products only to eligible addresses within the United States, visitors outside the United States may access the website.

Cookie and privacy requirements may depend on:

  • The visitor’s location

  • The markets in which the website is offered

  • The purposes of processing

  • The technologies being used

  • Applicable legal requirements

Our cookie banner and privacy controls may therefore display or operate differently according to the visitor’s region.

20. Cookie Duration and Data Retention

The period for which a cookie remains on a device depends on:

  • The cookie category

  • Its purpose

  • Provider configuration

  • Browser settings

  • Legal requirements

  • Security requirements

  • Whether the visitor changes consent

  • Whether the visitor deletes the cookie

Some cookies expire when the browser closes. Others remain for a defined period.

Information generated through cookies may be retained separately from the cookie itself where reasonably necessary for:

  • Analytics

  • Transaction processing

  • Security

  • Fraud prevention

  • Privacy-preference records

  • Accounting or legal compliance

  • Payment disputes

  • Establishment, exercise, or defense of legal claims

Changing or deleting a cookie does not automatically require deletion of information that may lawfully be retained for another purpose.

Additional retention information is available in our Privacy Policy.

21. Cookie Inventory

The specific cookies and similar technologies used through MARSTEN may change when:

  • Shopify updates its platform

  • An application is installed, removed, or reconfigured

  • A payment method is enabled or disabled

  • An analytics or advertising service is connected

  • A custom pixel or script is changed

  • A website feature is added or removed

  • A provider changes its technology

  • A customer’s browser blocks or modifies a technology

Where available, current information about cookies, providers, purposes, categories, and durations may be displayed through:

Cookie Preferences

The live preference control or cookie inventory should be treated as the most current technical description where it is generated from the technologies currently detected or configured on the website.

The absence of a particular provider from a manually written example does not mean that no technology from that provider is active. MARSTEN reviews its applications, pixels, and consent settings periodically and updates this policy or the live inventory where reasonably necessary.

22. Children’s Privacy

The MARSTEN website is intended for adults and is not directed to children under 13 years of age.

We do not knowingly use advertising cookies to profile children in violation of applicable law.

We also do not knowingly sell or share the personal information of consumers under 16 in a manner requiring affirmative authorization under applicable law.

Contact contact@marstenhome.com if you believe information concerning a child has been collected or used improperly through the website.

23. Third-Party Services

Third-party providers may independently change their:

  • Cookies

  • Technologies

  • Purposes

  • Retention periods

  • Security practices

  • Privacy practices

MARSTEN does not control every cookie, identifier, or processing activity used by independently operated third-party services.

We encourage visitors to review the privacy and cookie information published by relevant providers.

Nothing in this section excludes any responsibility that cannot lawfully be excluded.

24. Security and Fraud Prevention

Cookies and related technologies may be used to:

  • Protect customer accounts

  • Maintain secure sessions

  • Identify suspicious activity

  • Prevent automated abuse

  • Detect repeated or unauthorized payment attempts

  • Support transaction verification

  • Protect checkout

  • Investigate security incidents

  • Respond to payment disputes

These security activities may continue even where optional analytics or advertising cookies have been rejected, where permitted by applicable law.

Information used for fraud prevention and security may be retained as described in our Privacy Policy and Security Statement.

25. Changes to This Cookie Policy

We may update this Cookie Policy to reflect changes to:

  • Website functionality

  • Shopify services

  • Installed applications

  • Cookies and similar technologies

  • Analytics or advertising providers

  • Privacy controls

  • Business practices

  • Applicable laws

  • Regulatory guidance

The current version will be published on this page with a revised “Last Updated” date.

Where required by law, we may provide additional notice or request renewed consent before materially different non-essential processing begins.

26. Related Privacy Pages

This Cookie Policy should be read together with:

The Privacy Policy provides broader information about how MARSTEN collects, uses, discloses, retains, and protects personal information.

27. Contact Information

  • Store Name: MARSTEN

  • Legal Company Name: ZENTARA BRANDS LIMITED

  • Company Number: 78899970

Cookie and Privacy Inquiries

Suggested subject line: Cookie Privacy Inquiry – MARSTEN

When contacting us, include enough information to explain your question or request.

Do not send:

  • Complete payment-card numbers

  • Card security codes

  • Banking passwords

  • Customer-account passwords

  • One-time authentication codes

  • Other unnecessary sensitive credentials

Customer Service Hours

  • Monday–Friday: 9:00 a.m.–6:00 p.m. Eastern Time

  • Saturday–Sunday: Closed

Ordinary customer-service inquiries are generally answered within 24–48 hours on business days. Privacy requests may require additional time for verification and processing under applicable law.

Registered Company Address

ZENTARA BRANDS LIMITED
Unit 2A, 17/F, Glenealy Tower
No. 1 Glenealy, Central
Hong Kong