New Hydro Flask Straw Lid Kit Fits for All Wide Mouth Bottles New in packaging, 2 lids and 2 straws Easy to use flip straw designed with a high-flow rate and a durable rubber coating to withstand bite marks. It comes with two separate straws that can be cut to fit any of your Wide Mouth Hydro Flasks and has a convenient finger loop so you can clip your bottle while on the go. Made from BPA-free PP#5, the Straw Lid is top-rack dishwasher safe.