Klean Kanteen, TKPro Thermos, black, 1 L High-quality, completely plastic-free, BPA-free steel thermos offers top quality in a streamlined form to the delight of hikers! The TKPro thermos is a high-quality, plastic-free and non-toxic thermos that does not catch unwanted odors or tastes. Integrated double walls guarantee excellent temperature retention for both cold and hot drinks. The pouring mechanism of the 360-degree "turn and pour" leak-free cap, in turn, ensures that you do not splash drinks along the ground! The double-walled cap also acts as an integrated beverage container. The volume of the cup in a 1 L bottle is 305 ml. The thermos keep the drinks hot for about 38 hours and with the ice-cold for up to 100 hours! Double-walled, vacuum-insulated thermoses are recommended to be handwashed. It's quite easy thanks to the shape and material of the bottle! Klean Coat finish protects the bottle stronger than standard bottles from knocks, respecting people and the environment! Strong as Steel guarantee!