The Hydro Flask Medium Flex Lid protects the lower part of your canister and is available in various colors to match and personalize your canister. It is made of silicone, which protects it from bumps and impacts, and is compatible with bottles ranging from 32 to 40 oz with a wide mouth opening.

Features:

• Removable silicone cover provides extra protection for the smaller lid of Hydro Flask
• Reduced lid for 32-40 oz bottles with wide and standard mouth openings - BPA-free.