Yeti Rambler Colster YRAMCOL Details The YETI ColsterÂ, part of our Ramblerâ series, represents the next evolution in caninsulating, handprotecting technology. All the powers of modern science were brought to bear on this drink insulator to keep the contents of your 12 oz can or bottle chilled, including doublewall vacuum insulation and a LoadandLockâ Gasket that locks in the cold. The heavyduty stainless steel walls are sweatproof, so you can highfive with impunity while enjoying a tasty beverage. Dimensions and Capacity