Standard Mouth Flex Straw Cap

An accessory lid with a straw for Hydro Flask's Standard Mouth bottles. Easily pair the cap with your favorite Hydro Flask bottle.

• Leakproof when the cap is fully closed
• Easy to install
• Straw can be cut to fit the bottle
• Insulated
• Easy to clean
• Dishwasher safe
• BPA-free
• Not for use with hot liquids