*****40oz each bottle***** NIB ***Last One*** The double-wall vacuum insulated stainless steel bottles prevent outside temperatures from affecting the inside beverage temperature, so your drink stays just the way you like it—all day long. Whether you’re headed to yoga, the gym, or just out and about, this bottle will keep you refreshed and hydrated all day long. Features:18/8 food grade stainless steel BPA-free copolymer polypropylene with BPA-free silicone band BBC Protective silicone bumper