Adventure 28 oz Stainless Bottle made of high quality 18/8 stainless steel construction. Features a screw on tethered cap with large opening easily accommodates ice cubes and pop-top lid for instant hydration. Materials: Outer-Stainless steel 304 (18/8), Lid-PP, Gasket-Silicon Rubber. Measures 10 7/8" H. BPA free. Assembly included. Sold in even case quantities only. Free premium gift box upon request.