evo.com | Hydro Flask Drinkware > The Hydro Flask Wide Mouth Flex Sip Lid is a backup cap for your favorite water bottle. Compatible with all Wide Mouth Bottles Durable, Stainless Steel Pivots Allow the Strap to Move Easily BPA-Free and Phthalate-Free Honeycomb Insulation(TM) Helps keep cold drinks cold and hot drinks hot. | Hydro Flask Wide Mouth Flex Sip Lid 2022 in Black