Trek Tumbler Spring Air Pearl Premium Copper Coated Insulation Layer:

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

Locking Push Button: Provides leak-free confidence with one-handed convenience

Leak-Resistant Insulated Lid One straw included

Quarter Turn Lid: Threading technology allows four different straw placements for your drinking hand preference

or the back yard

Trek Tumbler Spring Air Pearl Premium Copper Coated Insulation Layer:Cupholder Friendly: Tapered shape with handle makes it the ideal cup to take on the go. Leak Resistant Insulated Lid Two straws included one color matched and one clear Tritan plastic straw. 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.