The Rambler® 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 standard equipped 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. Note: Do not use this Rambler® Bottle Cap with carbonated beverages, as storage for food or perishables, or to store boiling contents or with contents above 185°F/85°C.  Details 100% Leakproof: Carry it with confidence. 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. Dishwasher Safe: Because no one needs more work to do. Compatible with straw cap accessory (sold separately) Easy to carry