Double Wall Vacuum Insulated Stainless Steel Sports Bottle, 25 Ounce, Steel Double wall stainless steel vacuum insulated prevents condensation and insulates your beverage Keeps beverages cold or hot for up to 12 hours, Fits in most car cup holders Mouth of bottle is large enough to fit ice cubes and small enough for drip free sipping Made from high quality stainless steel inside and out and features a twist on cap with a silicone gasket that eliminates leakage BPA free, Non-toxic, Non-leaching, Hand wash recommended