The RamblerA(R) 18 oz. Bottle is a necessary addition to your morning hikes, kayak trips, and daily commutes. 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. When it&';s time for a wash or refill, remove the entire cap. Customize your bottle to really separate it from the pack. 18/8 STAINLESS STEEL: Made with kitchen-grade stainless steel, so they&';re puncture and rust-resistant. DOUBLE-WALL VACUUM INSULATION:Keeps cold drinks cold and hot drinks hot until the last sip, and the No Sweat(TM) exterior keeps your hands dry and unaffected, no matter how hot or cold the beverage inside. DISHWASHER SAFE: Because no one needs more work to do. 100% LEAKPROOF: Carry it with confidence.