NAYAD® Ranger 18 oz Stainless Double-wall Bottle with Flip-Top Spout is made of 18/304 rust-free stanless steel construction with a powder coated matte finish and features a wide-mouth lid is 100% BPA-free ABS plastic with flip-top spout. Copper-lined to keep beverage hot for up to 10 hours and cold for up to 20 hours. Carrying handle on lid is made of zinc alloy for strength and durability. Hand wash only. FDA certified.