You will receive 2 pieces of silicone bite valve replacements, this quantity allows you to replace the bite valve of your water bottle and extend its service life. Premium Material: Our bite valve replacement is made of high-quality silicone material, safe and free, which makes it an Perfect mouthpiece replacement for your water bottle. (Note: rinse it with water and dry it before 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 bottle well and makes your bottle more long lasting. Wide Application: Compatible with filter water bottles series, including its 32oz, 20oz stainless steel water filter bottle and its 36oz, 26oz plastic water filter bottle. 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.