Perfect Fit for Hydro Flask standard mouth water bottle with 1.91" mouth diameter. Include 12, 18, 21 & 24 ounce Hydro water bottles.
EASY TO USE: One handed operation, bite valve design, simple and convenient for drinking both on the go, at work, home, or in the gym.
QUALITY: This sport style lid comes with a Silicone sealed gasket that is leak-proof and 100% BPA Free.
Dishwasher Safe: Top level rack dishwasher safe, however, lids with silicone gasket is recommended for handwash to avoid potential damage from the high temperature.
Please measure your bottle mouth size before purchases.We are not responsible for the wrong size of the lid ordered without measuring by customers.