The Yeti Rambler 330ml Colster Can Insulator in NavyKeep classic brews and sparkling water refreshingly cold on the hottest days. The 330-milliliter size is perfect for sparkling water, soft drinks, and good old-fashioned beer and will fit in most cupholders. It keeps your drink straight-from-the-cooler cold while kicking back in the garden, at the beach, or wherever good times are going down. Coolers.