KOI Thé and MARVIS are teaming up for a limited-time National Day promotion from 17 to 30 August 2026. Purchase a Large Green Milk Tea with Aloe Vera at selected KOI Thé outlets to receive a complimentary MARVIS 10ml toothpaste redemption card, plus stand a chance to win KOI vouchers and MARVIS products in the exclusive giveaway.
