NFL Trek Tumbler Iridescent Elsa Premium Copper Coated Insulation Layer:

Premium Copper Coated Insulation Layer: The exterior of the inner wall

Officially Licensed: Show off your university colors with an officially licensed Cruiser Tumbler

Cupholder Friendly: The kids summit water bottle fits most cupholders with a base diameter of 2

Cupholder Friendly: Tapered shape with handle makes it the ideal cup -- Take Us With You wherever you go

Auto Reseal Technology: Automatically maintains the vacuum seal for worry-free storage

NFL Trek Tumbler Iridescent Elsa Premium Copper Coated Insulation Layer:Cupholder Friendly: Tapered shape makes it the ideal cup Take Us With You wherever you go. Leakproof: Comes with flip lid to prevent spills. Also includes two straws. Double Wall Insulation: Keeps beverages hot or cold for hours. Pat Pat Pend.