Come and see our amazing products. The double wall insulation keeps your drink cold for up to 24 hours, and hot for up to 12 hours.The Water Bottle made of 316 Stainless steel that is 100% BPA free and non-toxic. It will never leave a metal taste or rust. We have 3 differents volumes of this water bottle, they are 20oz, 44oz and 57oz. You can choose according to your needs. The price of ASI only for 44oz water bottles, For others, please contact the sales. Pls confirm further with us if any query about packing info, inventory status and time schedule.