This BPA-Free stainless steel water bottle keeps beverages ice-cold for 24 hrs, and hot for up to 12 hrs with double-wall and vacuum insulation, won’t transfer flavors, won’t sweat and does not rust. Both allow easy one-handed or hands free sipping. Whether you want a reusable water bottle for camping & hiking, an insulated commuter cup, or just want to hydrate sustainably, This stainless steel water bottle is the very choice for you! Designed to have access without opening up the lid, built-in is a flippable straw opening and you can drink and close at your convenience.