Brand “The Coldest Water” bottles keep water Cold for up to 36 Hours or More! Built with True Stainless Steel, Double Wall, Vacuum Sealed Insulated Flip Top Lid 2.0. The Coldest water bottle made with True stainless steel. No mess around your work areas. Built for athletes and high performers, Outdoors, Cyclists, Runners, Hiking, Camping, Soccer, Baseball, Basketball, Office, and Outdoor Water Bottle.