Yeti Rambler 12 oz Colster Slim Can Insulator Black 21070090039. Fits in most cup holders. Specifications for Yeti Rambler 12 oz Colster Slim Can Cooler: Manufacturer: Yeti Fabric/Material: 18/8 Stainless Steel Weight: 0.6 lb Capacity: 12 oz Application: Travel Bottle Diameter: 2.75 in Package Type: Box Features of Yeti Rambler 12 oz Colster Slim Can Cooler No sweat design Quick turn gasket to secure beverage Dishwasher safe Package Contents: Yeti Rambler 12 oz Colster Slim Can Cooler Yeti 21070090039: Rambler 12oz Colster Slim Can Insulator Black