Features: Double-wall vacuum insulation delivers long-lasting temperature retention Ultra-lightweight 240-gram design for effortless carrying Keeps beverages cold for up to 7 hours No-squeeze operation-simply lift and sip Titanium body combines exceptional lightness with rugged durability High-flow cap provides smooth, easy drinking Leakproof lockout prevents spills during transport Optimized cage fit compatible with most bike bottle cages Additional Details: CamelBak Products, LLC ("CamelBak") has built its reputation by engineering products that exceed consumer expectations for quality and durability. The Got Your Bak(TM) Lifetime Guarantee covers all reservoirs, backpacks, bottles, coolers, drinkware and accessories from manufacturing defects* in materials and workmanship for the lifetime** of the product.