The new sleek Klean Kanteen Narrow stainless steel bottle is made from 100% safe, high quality and sustainable materials. It is made for better gripping, packing and carrying. It is therefore your ideal companion for on the go. The 44 mm opening makes it easy to fill the bottle with liquid. Finished with a chip-resistant Klean Coatpowder coating. Durable and of high quality. 18/8 stainless steel. Dishwasher safe. The bottle comes with the Sport Cap. The sports cap made of polypropylene (with silicone seal) promises a spill-free liquid intake. Suitable for carbonated drinks. The sports cap is not leak-proof and should be transported in an upright position if possible. Material: Stainless steel bottle, polypropylene drinking cap, silicone seal