Vacuum insulation keeps beverages cold for 24 hours and hot for 6 hours. Made with 188 stainless steel and BPABPS-free materials. Snap the spout cap into the handle for one-handed use. Angled spout is engineered for Rapid hydration. CamelBak Got your Back guarantee: if we build it, we'll Back it with our lifetime guarantee. If you want to make sure you've got a cold drink ready at the end of your hike, this is your bottle. The vacuum-insulated steel Chute keeps things hot for up to 6 hours and cold for up to 24-even longer if you add ice. The bottle is designed for chugging, with a high-flow spout and a cap that fits neatly into the handle to stay out of your way when you're drinking. The double-walled design keeps condensation from collecting on the outside of the bottle, and the powder-coated paint job keeps things colorful while giving you a little extra grip.