Flow non leaking isolating tumbler

Flow non leaking isolating tumbler. The flow tumbler is a double wall foam insulated tumbler. It is equipped with a single-hand, screw-on push button lid with a non leaking function to make sure your drink stays put. The silicone pad on the bottom makes the tumbler skid-proof. Volume capacity is 350ml. Presented in a gift box. Exclusive design. Stainless steel exterior, plastic interior.