SIZE: Fits all standard mouth Hydro flask water bottles, includes 12, 16, 18, 21, & 24 ounce water bottles . Universal size lid for TOPOKO 25 oz double wall vacuum bottle and Hydro Flask standard mouth(1.8 inches in diameter) Bottles.
CAUTION: Measure the diameter of your water bottle mouth before buying. We are not responsible for the wrong size of the lid ordered without measuring by customers.
QUALITY: This Bite valve lid comes with a Silicone sealed gasket that is leak-proof and 100% BPA Free.
LONG LASTING: Tough and stylish, built to last. Easy to clean, hand wash only.
EASY TO USE: One handed operation, bite valve design, simple and convenient for drinking both on the go, at work, home, or in your car.