Coleman 24 oz. Black Autoseal FreeFlow Stainless Steel Insulated Water Bottle 2018748 Durable, double-walled, vacuum-insulated 18/8 stainless steel bottle keeps drinks cold up to 31 hours or hot up to 11 hours High-flow spout allows you to hydrate quickly Button-operated AUTOSEAL feature seals the lid between Sips to eliminate spills and leaks, and a patented slide lock prevents the accidental pushing of the button while you’re on the go