WaterU 2-Pack Double Wall To Go Cup with Straw and Lid, 16-Ounce 16-ounce double wall tumbler for cold drinks, great for daily use Tumbler made with durable material; Screw cap helps prevent spills Use for iced coffee, iced teas, smoothies and more Helps ease landfill waste by eliminating disposable cup waste Hand wash for best results (Not for use in microwave)