Shop All Yeti YETIs Rambler Colster brings the power of modern science to the drink insulator. This evolution keeps the contents of your 12-oz. can or 16.9-oz. bottle chilled for hours. Made of durable, rustproof kitchen-grade 18/8 stainless steel with double-wall vacuum insulation and a ThermoLock Gasket that locks in the cold. Plus, the heavy-duty stainless steel walls are sweatproof to help you keep your grip. 4.9H x 3.1 dia. Gasket inner dia:2.35 Stainless inner dia:2.65 (straight wall through to bottom). Wt:8.3 oz. Colors:Black, Silver, Olive Green, Seafoam, Clay. Type: Rambler Colsters.