You will receive 2 pieces of silicone bite valve replacements, this allows you to replace the bite valve of your water and extend service life. Premium Material: bite valve replacement is made of high-quality silicone material, safe and free, which makes it an Perfect mouthpiece replacement for your water . (Note: rinse it with water and dry it use, will more convenient to use.) Easy to Use: Twist the bite valve to the left or right and push down from top to bottom, and push the new bite valve replacement up to outside after cleaning. Leakproof: These bite valve replacement adopt One-piece and self-seal design to prevent leakage, accurate size fits the water well and makes your more long lasting. Wide Application: Compatible with filter water bottles series, including 32oz, 20oz stainless steel water filter and 36oz, 26oz plastic water filter . Any reference to '' is for compatibility only, the product is not sponsored or endorsed by, or affiliated with the it fits. Material: silica gel colour: white Package Contents: 2 x Bite valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.