Get a THB 300 Siam gift card with a minimum spend of THB 4,000 Get a THB 100 Siam gift card with a minimum spend of THB 2,000Terms & Conditions: - Offers are applicable for payment made by Visa card with minimum spending required on a single sales slip - Present Visa sales slip with your Visa card at Information counter, M floor to redeem Siam gift card - Limit to one offer redemption per sales slip - Offers are available in limited amount, on a first come first served basis