Trek Tumbler - Signature

Cupholder Friendly: Tapered shape with handle makes it the ideal cup to take on the go. 100% Leak-Proof: Straw lid is designed to prevent leaks and spills when in the closed position. Double Wall Insulation: Keeps beverages at ideal temperature for hours. Ceramic-Lined Interior: Preserves the integrity of your drink's flavor. Silicone Grip Base: To soften contact and enhance stability. Durable: Made of premium 18/8 stainless steel *Not for use with carbonated liquids