H2O4K9 designed especially for dogs on the go! Every dog needs water when out whether being exercised or at play keeping them hydrated. The patented lid has been designed to accommodate a dogs natural drinking style. Made from 18/8 food grade stainless steel with a toxin free Polypropylene screw top lid and a food grade silicone gasket to keep the bottles water tight. This is a high quality, stylish yet functional product. H2O4K9 is 100% recyclable.