SIZE: Fits all standard mouth 1.8" diameter water bottles, includes 12, 16, 18, 21, & 24 ounce water 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 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.
