Waste no time hydrating on your morning hikes, kayak trips, and daily commutes with Yeti's flip and sip color-matched straw cap water bottle. The Rambler 18 oz. Water Bottle has a leakproof cap when closed and an easy to carry TripleHaul Handle so you ll have cold water wherever you go. This bottle is over-engineered and double-wall insulated to keep your water cold until the last sip, and it s dishwasher safe for easy cleaning. Plus, it comes with a wide-straw insert, so you get more drink with every sip. Product Features 18oz Cup Straw Cap Leakproof when closed 18/8 stainless steel Double-wall vacuum insulation Dishwasher safe Please note: Do not use the Rambler Bottle Straw Cap with hot, carbonated, or pulp beverages or for storage of food or perishables. Rambler Bottle Straw Cap is leakproof when closed, but is not packable as the straw cap can open if pack is shaken or jostled.