Water bottles from Klean Kanteeen are made of extremely durable 18/8 food-grade. stainless steel material and thanks to their double-walled vacuum insulated construction keep their content hot for up to 14 hours and cold for up to 40 hours.. Field rated, environmentally friendly and toxin-free, these water bottles don\'t retain or impart flavours, and thanks to their sturdy steel constructions are highly durable, leakproof and long-lasting.. Wide Mouth Vacuum Insulated Bottles can be used as a mug, a thermos or a bottle, and thanks to the wide opening and slim design they are easy to drink from,. easily accommodate ice cubes and cleaning brushes, and are fully compatible with most backcountry water filters and standard size cup holders.Insulated water bottles from Klean Kanteen are perfect for hikers, backpackers and travellers, and will keep your drinks fresh, crisp and clean tasting for longer.. Capacity: 592ml (20oz).. Lemon Curry colour finish.. Durable, double-walled construction.. Eco-friendly, chip-resistant and 4 x more durable Klean Coat powder finish.. High-performance vacuum insulation.. Slim design fits in most cup holders.. Easy filling and pouring.. Large opening (external threads) accommodates ice cubes.. Compatible with most backcountry water filters.. Easy to clean thanks to rounded edges.. No hard angles where dirt, germs or bacteria can stick.. Electropolished interior doesn\'t retain or impart flavours.. Safe, durable, high quality materials.. No BPA, phthalates, lead, or other toxins.. Silicone seal locks in freshness and flavour.. Keep contents hot up to 14 hours and cold up to 40 hours.. Lifetime Manufacturer\'s Warranty.. Comes with leak proof and easy to clean Café Cap 2.0. Material: 18/8 food-grade stainless steel.. Opening diameter: 2.1\" (54mm).. Dimensions (without cap): 8.7\"x3\" (22.2x7.5cm).. Weight (without cap): 291g.