Yeti Rambler 12 oz Colster 2.0 Can Cooler Black Forest Green. If you know the original this ones just like it but with a sleeker design and an updated gasket. Specifications for Yeti Rambler 12 oz Colster 2.0 Can Cooler: Manufacturer: Yeti Fabric/Material: 18/8 Stainless Steel Weight: 0.5 lb Capacity: 12 oz Application: Travel Bottle Diameter: 3.1 in Package Type: Clam Pack/ Plastic Height: 4.9 in Features of Yeti Rambler 12 oz Colster 2.0 Can Cooler No sweat design Quick turn gasket to secure beverage Dishwasher safe Double-wall vacuum insulation Package Contents: Yeti Rambler 12 oz Colster 2.0 Can Cooler Yeti 21071505854: Rambler Colster 2.0 Black Forest Green