Terms & Conditions

Terms of Use

You may not (a) use the Site for any purpose that is against the Terms and Conditions; (b) use the Site for any unlawful purposes; (c) expose the Site to any computer, website or software containing viruses, harmful codes, Trojan horses or worms; (d) transmit any data, information, text, links, images, files from outer sources through the Site; (e) collect and yield any information from the Site and users of the Site for any purpose; (f) violate any rules under proprietary rights and intellectual property laws; (g) impersonate any other person, including but not limited to an employee of HKIRS Limited and a registered user of HKIRS LIMITED.

You are prompted to maintain the confidentiality of your membership account information including but not limited to your username and password. If any unauthorized use of your account was found, you agree to report the case to HKIRS Limited. immediately.



A member must be of 18 years of age or above to be eligible for registration with HKIRS Limited.

In accessing this Site and using the Site’s services, you agree to be responsible for all your activities conducted through your account and may not use a false identity or email address.



Once an order has been placed at Check Out, you may not amend or cancel the order. An order confirmation will be sent to your email which only indicates receipt of your order request. We reserve the right to not accept, amend or cancel one or all items in your order; an order confirmation is not a guarantee on the acceptance of your order due to but not limited to the following reasons:

  1. One or more products in your order are out of stock.
  2. One or more products in your order failed to meet the quality standard and will be withdrawn from our stock.
  3. An error is found in pricing or product descriptions.
  4. Authorization of payment from your credit card cannot be obtained.
  5. If due to any reasons one or more products in your order is not accepted, amended or cancelled by us, our concierge team will contact you as soon as possible regarding the related order.



HKIRS Limited strives to include accurate and complete content, but cannot guarantee the Site’s contents will be error-free, including but not limited to product descriptions, images and any other part in the Site. HKIRS Limited reserves the right to add, amend or remove any content, including but not limited to prices, product descriptions, images and quantities any time without prior notice. HKIRS Limited is not liable for any loss or damages caused by or arising from the reliance on the information on or obtained from this Site.

We do not guarantee that products or services displayed on the Site will be available at all times. We reserve the right to limit the available quantities of any goods or services (including before or after a purchase order has been placed and/or acknowledged) and to revise or terminate any promotion or services at any time without notice.

Any content, postings and messages submitted by you must not contain unlawful, abusive and obscene materials. We reserve the right to delete, amend and refuse any contents posted on the Site as appropriate without prior notice.


International Use

HKIRS Limited does not represent that information and content are available or suitable for the use outside of Hong Kong nor abides by any laws outside of Hong Kong. Users of HKIRS Limited should comply with their applicable local laws if HKIRS Limited is being accessed outside of Hong Kong and HKIRS Limited. takes no responsibility of any non-compliance thereto.



The Terms and Conditions stated on the Site, together with the Privacy Policy, constitute the whole agreement between you and HKIRS Limited which you have acknowledged and agreed to. The Terms and Conditions and Privacy Policy apply to all parts of HKIRS Limited and any offline conduct that relates to HKIRS Limited The invalidity or unenforceable of any of the Terms and Conditions shall not affect the validity or enforceability of any other Terms and Conditions, which shall remain in full force and effect.

The Terms and Conditions, together with the Privacy Policy, are governed by and construed in accordance with the applicable laws of Hong Kong, with exclusive jurisdiction at the Courts of Hong Kong for any cases arising out of the Terms and Conditions and Privacy Policy.



Return and Exchange Policy


l   All products are checked for quality before dispatch. Whilst we use our best efforts to ensure that the product is delivered to you in a perfect condition, the product may be damaged in the delivery process. Should this happen please return the damaged or wrong products by simply contact.

l   We do offer exchanges only if you received a damaged, defective, or incorrect product. We will arrange to re-send the product in the same form of shipping method originally used for purchase without extra delivery charge. If you have returned a damaged, defective, or incorrect product to us, the return shipping fee will also be refunded to you.

l   Merchandise must include any original packaging, dust bags, warranty/authenticity cards, spare parts and all tags intact, including hangtag.

l   Only in case the product was sold out, we’ll refund the value of product in the same form of payment originally used for purchase.


Privacy Policy


Privacy Policy

DEFY HONG KONG and Hong Kong Institute of Rope Skipping  is the trading name of HKIRS Limited. We fully appreciate and respect the privacy rights and acknowledge the importance of protection the information collected about them. By visiting, using and purchasing products on doughnutofficial.com, you are accepting and consenting to the following practices stated in this Privacy Policy and the Terms and Conditions. If you are under 18, we require you to read this Privacy Policy and Terms and Conditions with a parent or guardian for their consent and agreement to access this site.

The Data We Collect

The types of Data we collect from you will depend on the specific type of services and products as requested by or provided to you for the purposes mentioned below, and may include:

  1. Your personal information, including your name, gender, date of birth, nationality, family status, passport or other identification number, the particulars of your registered status with any of our subsidiaries, associated companies, and/or business associates;
  2. Your contact information, including but not limited to telephone numbers, mailing addresses, email addresses, and fax numbers;
  3. Your business information, such as, company name and business title.
  4. Your credit or other charge cards information, including name of cardholder, card number, billing address and expiry date;
  5. Your doughnutofficial.com number and password that you will use to assess our Website or mobile application and service.

We may also collect non-personally identifiable information about you, such as, your use of our websites, personal preferences and comments, and responses to promotional offers and surveys.

By providing the Data to us, you acknowledge that such provision is fair and reasonable in the circumstances and we stress that it is not obligatory for you to provide the Data to us. However, if you elect not to provide the Data to us, we may not be able to supply you with the relevant information, services or products.
Purposes for which the Data are Collected and Used

  1. We may use the Data you provide for one or more of the following purposes: For the supply of any other products and/or services which we or our suppliers may offer to you or you may require from us or our suppliers from time to time;
  2. For use of the online services available at any of our Websites and/or through other telecommunication channels;
  3. For our own marketing, research, promotional and customer relationship management purposes, such as sending you updates on our or our supplier’s latest offers and promotions in relation to any of our or our suppliers’ products and services from time to time;
  4. For leasing, development, selling, buying, management or other related services;
  5. For identification and verification purposes in connection with any of the services or products that may be supplied to you;
  6. For use of any reward programmes;
  7. For communicating with you by email, mail, fax, phone or other means;
  8. For the use of any of our subsidiaries, associate companies and/or business associates in connection with any of the above purposes and/or any of the services such companies and associates may be offering to you from time to time; and/or
  9. For any other incidental or associated purposes relating to the above and any other purpose which a customer or a service recipient may from time to time agree.

We will not knowingly or intentionally use, share, sell or rent the Data provided to us in ways unrelated to the purposes aforementioned.

Disclosure and Transfer of Personal Data

We may disclose and transfer the Data to our subsidiaries, associated companies and/or business associates and other persons who we consider appropriate in connection with the services and products provided or to be provided to you; to facilitate communication of news and information about such services and products; and/or otherwise relating to the purposes mentioned above. Otherwise, we will not disclose or transfer the Data to other parties.

The Data you provide to us may also be sourced from or transferred to other jurisdictions outside the Hong Kong Special Administrative Region of the People’s Republic of China (“Hong Kong”) for the purposes mentioned above. We will try to ensure, as far as possible and practicable, that Data sourced or transferred outside Hong Kong is protected to standards in line with the requirements of the Personal Data (Privacy) Ordinance (Cap. 486 of the Laws of Hong Kong) (the “Ordinance”), subject to any other requirements and limitations of the particular jurisdiction.

We may disclose the Data when required by law or court order of any jurisdiction, or as requested by any government or law enforcement authorities or administrative organs, or in the good faith that disclosure is otherwise necessary or advisable including and without limitation to protect the rights or properties of our company and its subsidiaries and associated companies or in circumstances which we consider to be related to any of the purposes for which the Data are collected. This also applies when we have reason to believe that disclosing the Data is necessary to identify, contact or bring legal action against someone who may be causing interference with our rights or properties, whether intentionally or otherwise, or when anyone else could be harmed by such activities.

Data Security

The Data you provide to us will be kept by us in the appropriate form only for as long as is necessary to fulfill the purposes mentioned above after which it will be destroyed.

In order to ensure the correct use and to maintain the accuracy of Data collected from you, as well as preventing unauthorized or accidental access, processing, erasure or other use of the Data, we have implemented various physical, electronic and management measures to safeguard and secure the Data we collect.

Use of Cookies

A cookie is a small text file that our website transfers to your computer’s hard disk. The use of cookies means we can better serve you and/or maintain your information across multiple pages within or across one or more sessions. Most web browsers automatically accept cookies, but if you prefer, you can edit your browser options to block them in future. You may choose to accept or refuse cookies. However, if you select to refuse the cookies certain functionality may not be available to you and you may not be able to access certain parts of this website.

Cookies contain information about you and your preferences. For example, if you inquire about rates and availability, the site might create a cookie that contains the details you entered. Or it might only contain a record of which pages within the site you visited, to help the site customize the view for you the next time you visit.

Only the information that you provide, or the choices you make while visiting a website, can be stored in a cookie. For example, the site cannot determine your email name unless you choose to type it. Allowing a website to create a cookie does not give that or any other site access to the rest of your computer, and only the site that created the cookie can read it.

Log Files

We may also collect information regarding your IP address, browser type, domain name and access time. This information is used for our own research purposes and as it is not linked to any personal information so is separate from the Data. In rare instances, IP addresses may be used to assist in deterring and/or preventing abusive or criminal activity on the website.

Our Commitment to Data Security

To maintain the accuracy of the Data, as well as preventing unauthorized access and ensuring the correct use of the Data, we have carried out appropriate physical, electronic and management measures to safeguard and secure the Data we collect online. We use an industry standard for encryption over the Internet mobile application known as Secure Socket Layer (SSL) protocol, to protect the Data. When you type in sensitive information such as credit card details, it will be automatically converted into codes before being securely dispatched over the Internet and/or through a mobile application.

The Data you provide to us will be stored in a database for no longer than is necessary. The website has a firewall in place, which should protect the Data collected from you against unauthorized or accidental access. However, complete confidentiality and security is not yet possible over the Internet and/or mobile application, and privacy cannot be assured in your communications to us. You acknowledge that personal information is disclosed at your own risk, and may be subject to unauthorized use by others. This may result in, among others, you receiving unsolicited messages from other parties. We are not responsible in any manner for direct, indirect, special or consequential damages, howsoever caused arising out of the communication of information to us. You are encouraged to protect against unauthorized access to your password and credit card details. Make sure you sign out from your account when finished particularly when using a shared computer.

Our Commitment to Children’s Privacy

Protecting the privacy of children is our primary concern. Hence, we will not knowingly collect or maintain Data in our database from persons who are under 13 years of age without prior consent from a parent or guardian.

Your Choice

You always have ultimate choice and control over the type of information you would like to receive from us. When you use our online services or receive our promotional materials, you will have the chance to indicate your choice to receive, or not to receive in future, promotional materials from us or our subsidiaries, associated companies and/or business associates. We will occasionally send you updates about our latest products and services, as well as special offers. Should you decide not to receive any updates from us, feel free to cancel your subscription to these services by contacting us via the contact information provided on the websites or as indicated in the relevant materials.

How to Access or Correct Your Data or Contact Us

You are entitled to access or correct any Data relating to you held by us. If you wish to obtain a copy of any of your Data or if you believe that the Data relating to you which we collect and maintain is inaccurate, please contact any members of our customer service or contact us by email at info@siusiustyle.com. In accordance with the terms of the Ordinance, we have the right to charge a reasonable fee for the processing of any data access request.

Access to Data Privacy Policy

You may access and obtain a copy of our Data Privacy Policy, as amended from time to time by contacting us at our email so that you are always informed of the way we collect and use the Data.

This notice is in compliance with the Ordinance.

This Notice is written in the English language and may be translated into other languages. In the event of any inconsistency between the English version and the translated version of this notice, the English version shall prevail.


Delivery and Shipping

All orders are shipped via SF Express or Hong Kong Post Office. Rates are determined by weight and destination at point of purchase. Delivery Charges will be added to your order at the checkout stage and you can check the rates before placing an order.


DEFY does not ship to P.O. box address and multiple addresses per order

Seller shall not be responsible for loss, damage, delay or failure with respect to the products if due to or arising from shortage of raw materials, fires, labour troubles of any kind, accidents, breakdown of machinery, government acts of any kind, failure of manufacturers, subcontractors or suppliers to deliver materials or supplies or to provide services as agreed or contemplated by past dealings, transportation difficulties of any kind, acts of God, acts of Buyer or anything reasonably beyond Seller’s control, whether or not presently occurring or contemplated by either party.


Seller shall not be liable for damages, general, consequential or otherwise, or for failure to give notice of any delay until it shall have such additional time within which to deliver the products as may be reasonably necessary under the circumstances and shall have the right to apportion its inventory among its customers in such a manner as it considers acceptable.



Price Calculated on the shopping cart.


Orders placed Monday through Friday are shipped within 1-4 working days.


Orders placed during Saturday and Sunday will ship out within 3 business days from the day of order (excluding holidays).

Orders placed during holidays are shipped within 3-7 business days from the day of order. (excluding holidays).


Orders are shipped within 2-7 business days from the day of order (excluding holidays).

Most orders arrive within 4-15 business days from the day of order, arrival date is determined by destination at point of purchase and shipping method. (excluding holidays)

Remarks: Please be aware that International deliveries may be charged import duties and taxes on receipt of your package and ensure the following to avoid dispatch delays:

You will be available to sign for your order at the above shipping address between Monday to Friday, 9am-5pm

If a parcel is returned, because the address was incomplete or incorrect, because you refused to accept it or because you didn’t pick it up at the collection point in time, you will be charged for the shipping costs back to hard graft.


Prices displayed on the website are exclusive of duties and taxes. At this moment, all custom duties and import taxes will be paid on a Delivery Duty Unpaid (DDU) basis, which also applies to orders that qualify for free shipping.

These charges will be based on the total merchandise value and shipping destination before any discounts have been applied. Please note these charges are passed to your local customs’ authorities and therefore are non-refundable.


Shipping on a DDU (Delivery Duty Unpaid) basis means that import taxes and duties will not be shown on the Check Out page or paid through Siu Siu Style. It is the sole responsibility of the customer to bear all applicable customs fees and import duties, which are levied once a shipment reaches your country. You will be notified and invoiced by courier service, the shipping courier upon delivery of your merchandise. Delays beyond our delivery estimates may occur due to customs clearance procedures and payments.

Please kindly note that Siu Siu Style has no control over these charges and cannot predict the exact amounts. We recommend customers to check with your local customs authority before placing an order, to avoid any unexpected charges.


Please be aware that for shipments that are not delivered successfully due to the provision of wrong addresses, the customer is responsible for the shipping charge for both the first and thereafter delivery attempts.