Honeycomb Insulation™ helps keep the drink at optimum temperature
Easy to clean
BPA and phthalate-free
Easy press-in fit
Compatible with the 16 oz (473 ml) and 22 oz (650 ml) Tumblers
Reusable, flexible straw
Lifetime warranty from Hydro Flask
Our BPA-Free products contains no BPA whatsoever. Bisphenol A, or BPA is an industrial chemical that has been used in the production of certain plastics since the 1960s. Some research indicates that BPA can seep into food or liquids, with possible negative health effects, particularly in children and unborn babies. BPA-Free labelled products contain no BPA whatsoever.