YETI Rambler 18oz Insulated Bottle with Straw Lid - Waste no time hydrating on your morning hikes, kayak trips, and daily commutes with our flip and sip color-matched straw cap water bottle. The Rambler 18oz. Water Bottle has a leak-resistant cap 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.