WaterU 22 oz Freezer Gelz Tumbler (Blue Multi) 22 oz. Freezer Gelz Tumbler with Lid and Straw Inner Wall Features Non-Toxic Freezer Gel Great for Iced Coffe, Iced Teas, Lemonade and more! Helps ease landfill waste by eliminating disposable cup waste Hand wash only. For cold drinks only. (Not for use in microwave)