The YETI Rambler® 18 oz Bottle with Chug Cap is perfect for hikes, kayak trips, or daily commutes. Made from 18/8 kitchen-grade stainless steel, it’s puncture- and rust-resistant. Double-wall vacuum insulation keeps drinks hot or cold until the last sip, while the No Sweat™ exterior keeps hands dry. Dishwasher safe and 100% leakproof, the Chug Cap allows controlled gulps on the go for effortless hydration anywhere. 18/8 stainless steel construction Double-wall vacuum insulation No Sweat™ exterior Chug Cap for controlled sipping Dishwasher safe100% leakproof 532 ml