Voyager Tumbler - Signature color_BKN Premium Copper Coated Insulation Layer:

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

Can easily roll up or fold

Silicone Base: Quiet

Lightweight

Adjustable: Strap secures comfortably around the neck expanding to four different sizes

Voyager Tumbler - Signature color_BKN Premium Copper Coated Insulation Layer:Ceramic Lined Interior: Preserves the integrity of your coffee's flavor. Double Wall Vacuum Insulated: Keeps beverages hot or cold for hours. 100% Leak Proof: 360 push button lid is drinkable from any angle and is leak proof in the closed position. Cupholder Friendly: The Voyagers unique shape makes it the perfect reusable travel mug, as it fits most car cupholders. Silicone Grip Base: To soften contact and enhance stability. Durable: Made of premium