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Customer Care

Our Customer Care Team is here to support you with any questions you may have relating to our site, offers, your product or purchase. You may use this FORM to contact us directly. Below are some quick links to questions you may have:

Delivery & Returns

Privacy & Safety

SIRENA is committed to respecting your privacy and complying with applicable laws and regulations to ensure that the personal information you give us is kept appropriately secure and processed fairly and lawfully.

SIRENA belongs to Tessa Spielhofer Ltd a company incorporated and registered in England and Wales with company number 07768641 (referred to in this Policy as "we, "us" and "our").

Your personal information will be held and managed by Tessa Spielhofer Ltd. By visiting and using SIRENA's website or mobile site (www.sirena.world) (the "SITE") or by contacting our Customer Services Team, you acknowledge that you have read this Privacy Policy. You must be at least 13 years’ old to use the Site and Applications (14 years’ old if you are a customer in mainland China). If you are under 13 (or 14, if you are a customer in mainland China) or a minor in your country or state or region of residence, please ask your parent or legal guardian to provide their information for you.

This Privacy Policy covers all personal information about you that we collect, use and otherwise process in connection with your relationship with SIRENA as a customer or potential customer. SIRENA will collect and use your personal information as described in this Privacy Policy and as permitted by applicable laws, including in circumstances where: (i) it is necessary to provide or fulfil a service requested by or for you; (ii) you have given us your express consent; or (iii) it is necessary for one or more of the following legitimate interests pursued by SIRENA:

  • To analyse, profile and monitor customer patterns and better understand the interests and preferences of our key customer audiences so we can consistently improve our products and services.

  • To offer an enhanced customer experience and service, including by ensuring we personalise the Site and Application and (if applicable) SIRENA updates relating to products, services and events to make them more relevant to our customers’ specific preferences.

  • To ensure the proper functioning and security of our services, Site and Application, for example by preventing fraudulent transactions.

  • To analyse the site traffic and any promotions or events for internal reporting purposes and to ensure adequate and appropriate product and resources.

  • To ensure we continue to comply with applicable laws, for example in maintaining the accuracy of our records.

SIRENA Newsletter/Updates 

We can only send you updates about our products, services and events with your consent. If you have provided your consent, you can withdraw it at any time (see "Unsubscribe from SIRENA" below).

If you have consented, we will send you updates through the preferred communication method you selected (e.g. by e-mail, post, phone or messaging services). 

We may also obtain personal information where you “like” us, create posts, mention us in public posts or otherwise interact with our pages on social media platforms and may in response, use this information to communicate with you or provide relevant content via those social media platforms about our products, events and promotions where permitted to do so in accordance with applicable laws. Please refer to the privacy policies of the social media platforms for information about how they collect and use your personal information.


If you have registered to receive updates relating to our products, services and events, and you no longer wish to receive these, you can request that we amend your preferences. You can do that either as indicated in the particular communication, e.g.by using the unsubscribe link which is included on all email updates, or by contacting our Customer Care Team. SIRENA will stop sending updates in respect of which you withdraw your consent within a reasonable period and in any event within 28 days of receiving your request, in order to allow sufficient time for the change to be administered.  

If you opt out of receiving updates relating to our products, services and events, we may still send you non-marketing communications such as emails about your account or purchases you have made from the Site.

Wholesale enquiries

If you are interested to stock our products, please contact us via this FORM or e-mail us at info@sirena.world. A member of our team will be in touch with you to provide further information about our products, prices and services as well as discuss your requirements further.


Payment methods

We accept all major Credit & Debit Cards as well as PayPal payments. 

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