The Yeti Rambler is the drinking companion that you have always dreamed of. A standard 12 oz. bottle/can are designed to fit perfectly like a glove. Made with 18/8 Stainless Steel, double-wall vacuum insulation, and the Load-and-Lock Gasket the Colster will keep your drinks cold for so long that you won't believe your eyes. The Colster perfectly fuses exceptional quality with performance as only Yeti can.