Whether you're heading out for a short hike or giving that big presentation at work the 18 oz. Classic Klean Kanteen holds enough to keep you hydrated, but is also small and compact so it fits easily into your bag, pack or briefcase. Its made from high quality food grade stainless steel that's totally free of BPA and other toxins. Because stainless steel is safe, the bottles have not been coated with a plastic or epoxy lining, which is one of the main differences between a stainless steel Klean Kanteen and aluminum bottles. The large mouth design makes it easy to put in ice cubes or a smoothie packed with berries. BPA free and eco friendly. Doesn't retain or impart other flavors. Slim design, fits into most bottlecup holders. Fits in most standard bike cages. Round corners are easy to clean with no hard angles where dirt germs or bacteria can stick. Fits large ice cubes. Reusable and 100% recyclable. BPA free polypropylene pp5 caps. Stainless loop and flat accessory caps are available. Materials: 188 food grade stainless steel. Caps are made of BPA free polypropylene pp5 Size: H 7 without cap x W 2.75 Weight: 5 oz. without cap Capacity: 18 fl oz.