YETI Rambler Colster, MRFC Logo engraved on side. The YETI Colster® keeps cans and bottles so cold for so long that you’ll have to rethink your understanding of a few natural laws. Standard 12 oz. cans and bottles fit like a glove – a glove with double-wall vacuum insulation. The Load-and-Lock™ Gasket secures your drink in place, and No Sweat™ Design keeps your hands dry while your drink stays cold. Available in stainless and DuraCoat™ colors.