Hydro Flask Press in Straw Lid - An easy way to top off your Tumbler. Whether your day takes you to the beach or just the backyard, the Large Press-In Straw Lid keeps your favorite drink ice cold and easy to sip. Honeycomb Insulation helps keep cold drinks cold and hot drinks hot Easy press-in fit for splash-proof dependability Flexible straw is durable and easy to clean BPA-Free and Phthalate-Free Lifetime Warranty