Trek Tumbler TMNT Mutant Ooze 100% Leak-Proof: Straw lid is

100% Leak-Proof: Straw lid is designed to prevent leaks and spills when in the closed position

Waterproof Material: Durable and easy to clean for worry-free use

Double Wall Insulation: Reduces condensation and keeps beverages at desired temperature longer than a standard cup

Designed ONLY for Simple Modern tumblers (tumbler sold separately)

Ceramic Interior: Preserves your coffee's flavor

Trek Tumbler TMNT Mutant Ooze 100% Leak-Proof: Straw lid isCupholder Friendly: Tapered shape with handle makes it the ideal cup to take on the go. Leak Resistant Insulated Lid Sweat Free Exterior: Double wall insulation prevents condensation and keeps beverages hot or cold for hours. Durable: Made without lead, BPA and Phthalate Pat Pat Pend.