The ultimate H₂Older™. Top quality 18/8 stainless steel canteen keeps liquids cold for 24 hours or hot for 12 hours. Non-toxic and lead-free. Holds 20 oz. (600ml).

Cola style H₂Older™ is made of top quality 18/8 stainless steel. Keeps liquids cold for 24 hours or hot for 12 hours. Non-toxic and lead-free. Holds 17 oz. (500ml).