Our Oahu stainless water bottle features a double-wall stainless steel base, carrying loop, and screw-on lid with a bamboo top accent. Made for cold beverages, this vacuum-insulated canteen keeps warm for 12 hours and keeps drinks cold for up to 24 hours. Choose from stainless steel to matte color options and customize with a 1-color silkscreen imprint. CA Prop 65 compliant. BPA free.