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Legal advice

The purpose of this information, rules and conditions (collectively referred to as Legal Notice) is to regulate, as applicable, the use of the website/s that ESTEL, S.L. makes available to the public in order to comply with legal obligations in this regard.

This Legal Notice was amended on 14/04/2020.



ESTEL, S.L. operates online to offer its services for improving performance and fitness in general, as well as the offer and acquisition of related products through the SUIFF band, with the following domains:

considering as the main domain.

VERY IMPORTANT: Some services offered on the site/s of ESTEL, S.L., accessible by Internet users, may be subject to particular conditions and instructions that, if applicable, replace, complete and/or modify this Legal Notice and that they must be accepted by the User before the provision of the corresponding service begins. This applies, in particular, in the event that reservations, services, or products are made, in which case the content of the general conditions of travel contracting (defined as GENERAL CONTRACTING CONDITIONS in the corresponding pages).


The activity of SUIFF (owned by ESTEL, S.L.) is that of services related to the improvement of performance and fitness, as well as the marketing of its products.

ESTEL, S.L. reserves the right to modify these conditions of use at any time, as well as any other particular conditions.

If any clause included in these general conditions is declared, in whole or in part, null or ineffective, such nullity or ineffectiveness will affect only this provision or the part thereof that is null or ineffective, replacing the general conditions in all the rest, having such disposition, or to the part of the same that was affected, by not put.


In compliance with art. 10 of Law 34/2003, of July 11, on information society services and electronic commerce, we inform you that ESTEL, S.L., Can Noguera 19, 1-2, Pol. Ind. El Barcelonès, 08630 Abrera, Barcelona with NIF B-08331340, is registered in the Mercantile Register of Barcelona, in volume 20957, folio 0096, sheet 14665, inscription 13.

You can contact us, in addition to being at your disposal in our offices, using the following means:

  • By e-mail, via the address
  • By telephone, at the customer service number +34 93 770 51 12.


The access and/or use of the site/s of ESTEL, S.L. by a person, assigns the status of USER to that person. The USER accepts, for the use and access of the different site/s of ESTEL, S.L., the General Conditions of Use of the site/s of ESTEL, S.L. presented below.

The User of the site/s of ESTEL, S.L. must carefully read this Legal Notice in each of the occasions in which it is proposed to use them, as these and the conditions set out in this Legal Notice may have been modified.


The site/s of ESTEL, S.L. they offer access to various contents (services, information, data, etc.). The USER assumes responsibility for the use of the site/s of ESTEL, S.L. Therefore, it is the responsibility, commitment and obligation of the user to make proper use of the contents and services that ESTEL, S.L. offers through the site/s of ESTEL, S.L. In particular, the USER agrees not to use them in actions that may:

  • Engaging in illicit or illegal activities in accordance with European and Spanish legal systems.
  • Violate Spanish and International legislation on intellectual and industrial property.
  • Disseminate content or propaganda of a racist, xenophobic, pornographic-illegal nature, advocating terrorism or violating human rights.
  • Causing damage to the computer systems of ESTEL, S.L., its suppliers or third parties.
  • Introducing or spreading malicious software, computer viruses or any other physical or logical system on the network that is likely to cause the damage mentioned in the previous point.
  • Attempt to access or, where appropriate, use other user’s accounts and modify or manipulate their data.


The site/s of ESTEL, S.L. have no offensive or inappropriate content for minors. However, the use of children under the age of 14 is not permitted, and it is recommended that, where appropriate, the use be supervised by a legal guardian or adult. Under no circumstances should children under the age of 14 supply ESTEL, S.L. personal or family data.

To comply with applicable law, ESTEL, S.L. prohibits the contracting or reservation of products and/or services to minors under 18 years of age or legally incapacitated.



The USER is solely responsible for any infractions he may incur or for any damage, he may cause due to the inappropriate use of the site/s of ESTEL, S.L., leaving ESTEL, S.L. exonerated from any kind of liability that may arise from the actions of the USER.


To access certain services, you must be a REGISTERED USER. The USER is responsible for the custody of the password used to prevent the usurpation of their identity in the ESTEL, S.L. sites to which they had access due to their status as a registered user.

The user also declares that all information provided by him for access to the site/s of ESTEL, S.L. and during its use, it is true, complete and accurate, and undertakes to keep it up to date on the successive uses it may make of the services offered.

The submission and transmission of data by the user through the website of ESTEL, S.L. or the information it sends, is protected by the most modern electronic security techniques on the network. Likewise, the data provided and stored in our databases are also protected by security systems that prevent access by unauthorized third parties to them. ESTEL, S.L. makes every effort to have the most up-to-date systems for the effectiveness of these security systems.


All the elements that make up the website, as well as its structure, design and source code are the property of ESTEL, S.L. and are protected by intellectual and industrial property regulations.

Reproduction in whole or in part of the contents of this website, as well as its modification and/or distribution without citing its origin or requesting prior authorization, is prohibited.

ESTEL, S.L. will not assume any responsibility arising from the use by third parties of the content of the Website and may exercise all civil or criminal actions that correspond to it in case of violation of these rights by the user.


This Website includes links that allow the USER to access other Internet pages external to the site/s of ESTEL, S.L. In the event that the USER uses these links, ESTEL, S.L. informs you that you do not exercise any control over these sites, their contents and the possibility of collecting information about their activities on the Internet, including those carried out on our own site.

In no event shall ESTEL, S.L. will assume no responsibility for the contents of any link belonging to a third party website, nor guarantee the technical availability, quality, reliability, accuracy, breadth, veracity, validity and legality of any material or information contained in any of these hyperlinks or other sites of the Internet.

If any user is aware that the links refer to pages with illegal, harmful, degrading, violent or immoral content or services, we would be grateful if you could contact ESTEL, S.L. indicating to, thus, proceed to remove this link.

Any activity carried out in places not owned by ESTEL, S.L. is regulated by its own rules and conditions, so we recommend that, before use, users be informed about this in the Legal Notice sections, or similar, in places outside the direct control of ESTEL, S.L.