The KONG Duo Drinker is a premium product designed for active people perhaps running or hiking with their dog. There are many drinkers for dogs only but this product has a drinker for you to enjoy cool fresh water(32oz/910ml) as the body of the container is double wall vacuum insulated kitchen grade stainless steel. There is a 2 function lid, the first option allows you to drink the water yourself from a human drinking aperture. The second function is a larger opening which will allow you to pour and fill the integrated feeding bowl that simply unscrews from the bottom of your duo drinker for your dog. There is now no need to carry 2 separate water bottles!The beautifully designed and sleek product is BPA free and carries a 5 year warranty