Perfect hydration bottle for everyday use and outdoor activities. 18/8 stainless steel double wall insulation keeps beverages hot or cold. Screw top lid with wide-mouth opening is ideal for adding ice cubes. Lid is tethered to bottle, also acts as a carry loop when on-the-go. Dishwasher safe (top rack), hand wash recommended. Keeps cold for 12 hours. Keeps hot for 5 hours. 20 oz.