Yeti Rambler Colster 2.0 Solar Flare. 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 Can Cooler: Manufacturer: Yeti Volume: 12 oz Fabric/Material: 18/8 Stainless Steel Condition: New Age Group: Adults Capacity: 12 oz Application: Travel Outdoor Features of Yeti Rambler 12 oz Colster Can Cooler No sweat design Quick turn gasket to secure beverage Dishwasher safe Package Contents: Yeti Rambler 12 oz Colster Can Cooler Yeti 21071505856: Rambler Colster 2.0 Solar Flare