The YETI 18oz Rambler bottle is perfect for morning hikes, kayaking, and daily commutes. Its double-wall vacuum insulation keeps your drink cold to the very last sip. With a shatter-resistant Chug Cap, it's designed to avoid spills whilst on the move. Plus, it's dishwasher safe for hassle-free cleaning. This tough bottle is double-wall vacuum insulated to keep your water cold until the last sip, dishwasher safe for easy cleaning, and comes standard with the Chug Cap. The shatter-resistant, dishwasher-safe spout allows for controlled gulps on the go. Capacity: 18oz / 532ml. Features: 18/8 Stainless Steel Construction, Double-Wall Vacuum Insulation, Chug Cap, Leakproof, Dishwasher Safe.