FASHION BIGBANG

12 June – 30 July 2026

The more you shop, the more you get, with special privileges from CLUB21 for 7 full weeks

For ONESIAM members with the ONESIAM SuperApp, when shopping at participating Club 21 stores at Siam Discovery with a minimum spend of 120,000 baht, redeem 4,000 ONESIAM Coins and a SIAM GIFT CARD worth 4,000 baht.

(The SIAM GIFT CARD can be used for shopping or dining at participating stores and restaurants in Siam Center and Siam Discovery with a minimum spend of 8,000 baht per receipt / 1 SIAM GIFT CARD per receipt.)

Limited to 1 redemption right per person throughout the campaign, limited to 10 rights per week, for a total of 70 rights throughout the campaign.

Distributed weekly, 10 prizes per week, as follows:

• Week 1: Friday 12 June – Thursday 18 June 2026
• Week 2: Friday 19 June – Thursday 25 June 2026
• Week 3: Friday 26 June – Thursday 2 July 2026
• Week 4: Friday 3 July – Thursday 9 July 2026
• Week 5: Friday 10 July – Thursday 16 July 2026
• Week 6: Friday 17 July – Thursday 23 July 2026
• Week 7: Friday 24 July – Thursday 30 July 2026

*Participating stores

• CLUB21
• 3.1 PHILLIP LIM
• ALEXANDER WANG
• COMME des GARÇONS
• ISSEY MIYAKE

Note: Redeem the SIAM GIFT CARD and ONESIAM COINS on the same day only at the Information Counter, G Floor, Siam Discovery.

*Terms and conditions

1. Collect receipts from purchases made at participating stores in Siam Discovery (a maximum of 2 receipts can be combined per 1 redemption) to redeem the SIAM GIFT CARD and ONESIAM Coins on the same day only at the Information Counter, G Floor, Siam Discovery.
2. The SIAM GIFT CARD can be used for shopping or dining at participating stores and restaurants in Siam Center and Siam Discovery, subject to the conditions stated on the card.
3. 1 SIAM GIFT CARD can be used for 1 shopping or dining receipt only.
4. The 100-baht SIAM GIFT CARD is valid until 15 Aug 2026 only.
5. ONESIAM COINS are valid until 31 Dec 2026 only.
6. Receipts used to redeem this promotion cannot be used for other mall promotions.
7. If the receipt owner (as named on the receipt) wishes to authorize another person to act on their behalf, or transfer the right to another person, the representative or assignee must present a signed copy of the receipt owner’s ID card clearly stating the authorization for such action to the staff at the Information Counter. (A representative may act on behalf of no more than 2 rights per person per day.)
8. The following are excluded from the promotion: tax invoices/receipts issued in a company name, tax invoices/receipts without a receipt number, electronic tax invoices/receipts, copied receipts, splitting 1 item purchase into more than 1 receipt, receipts showing a time before the shopping center opens, combining receipts from stores across shopping centers, purchases of gift vouchers or prepaid cards from stores, receipts from purchases of goods and services through online channels and purchases on the ONESIAM SUPERAPP, including receipts showing payment via food delivery platforms, receipts with partial or full payment by CREDIT NOTE / ACCOUNT CREDIT / PAYMENT ON CREDIT / STORE CREDIT, advance payments, partial or full payment amounts arising from product exchanges or returns, product reservation receipts, incomplete product payment and all types of deposit payments (DEPOSIT PAYMENT), purchases for trade / wholesale / commercial resale, utility payments or purchases for investment purposes such as water bills, electricity bills, mobile phone bills, investment unit purchases, life insurance premiums, purchases of phone top-up cards, and currency exchange (EXCHANGE).
9. The following are excluded from the promotion: copied receipts, and splitting the receipt for 1 purchased item into more than 1 receipt.
10. The right to redeem the SIAM GIFT CARD is reserved only for customers who present complete documentation, including qualifying receipts from participating stores, the redeemer’s national ID card, and the credit card and credit card sales slip (if payment was made by credit card).
11. Rights are reserved for customers who come in person only. If unable to collect the right in person, an authorization letter must be provided solely for collecting the complimentary gift. An authorized representative may collect no more than 2 rights per person per day.
12. Limited to 1 right per queue per person at a time. Complimentary gifts are reserved for customers whose receipts fully meet the specified conditions, until all rights are fully claimed.
13. If submitting a handwritten receipt, the customer name must be clearly stated, and the shopping center reserves the right to make and keep a photocopy.
14. The shopping center is not responsible for any errors resulting from communication by rented shop sales staff.
15. Store owners and sales staff of rented shops who purchase items from their own stores are not eligible to participate in this sales promotion. The company reserves the right to reclaim the SIAM GIFT CARD or cancel the SIAM GIFT CARD redemption in all cases if any violation of the specified conditions is found.
16. If it is found that the person redeeming the right is not the owner of the receipt used for redemption or is not the actual purchaser, the shopping center reserves the right to cancel the granting of such complimentary gift.
17. Complimentary gifts cannot be changed and/or exchanged for cash and/or other complimentary gifts.
18. The company reserves the right that once a complimentary gift from this promotion has been redeemed, it cannot be changed under any circumstances.
19. The company reserves the right to change complimentary gifts / benefits and conditions without prior notice. In case of dispute, the company’s decision shall be final and binding.
20. For more information, call 02-111-6161 or email: contact@onesiam.com