Voyager Tumbler - Signature color_BKN Stackable Design: Nests neatly with

Stackable Design: Nests neatly with other Sip N Slide cups for easy storage

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

When not in use

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

Leak Proof Straw Lid: Our BPA-free straw lid is leak-proof when the nozzle is in the closed position

Voyager Tumbler - Signature color_BKN Stackable Design: Nests neatly withCeramic 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