The Klean Kanteen philosophy is to reduce waste by providing a long lasting alternative to cheap & throw away products. This stainless steel vacuum flask has a lifetime warranty, is free of BPA, Phthalates, lead or other toxins & is simply gorgeous. This superior flask has a large opening so you can cram in a few ice cubes & a lovely rounded lip if you want to drink straight from the flask. The inside of the bottle has been electro-polished so it does not retain or impart flavours. The food grade stainless steel construction is completely toxin free & utterly safe, it will withstand serious abuse & pretty much last forever. So whilst it may be initially more expensive than cheaper alternatives the lifetime financial & environmental costs are minimal. Supplied with a leak-proof Stainless Loop Cap, you can clip it onto your bag or throw it inside without a second thought. For drinking on the go grab yourself a Café Cap to converts the Kanteen into a splash-proof commuter mug. Insulates hot food or beverages up to 6 hours Insulates iced drinks up to 24 hours Durable, double-walled construction High-performance vacuum insulation Large opening (external threads) accommodates ices cubes Compatible with most backcountry water filters No BPA, phthalates, lead or other toxins made from 18/8 food-grade stainless steel (no liner needed) Electro-polished interior does not retain or impart flavors Rounded corners are easy to clean with no hard angles where dirt, germs or bacteria can stick Lifetime Warranty