The 18oz Classic water bottle is a stainless steel bottle designed for kids and adults, with quick hydration in mind. Single-wall, non-insulated design is lightweight, small, and easy to bring anywhere. Made with certified 90% post-consumer recycled 18/8 stainless steel, featuring our chip-resistant, durable Klean Coat finish. The 18oz size features a narrow profile for easier gripping, packing and carrying. Comes with leakproof Loop Cap with swivel bale.