Crafted from top-grade food-safe silicone, these mouthpieces are entirely . Trust in this high-quality replacement to turn each sip from your water bottle into a safe, pleasant drinking experience. Perfect Fit Guaranteed: Designed meticulously to align with water bottles, including the 32oz and 20oz Stainless Steel models, and the 36oz and 26oz Plastic Filter models. Prior to purchase, verify your bottle's model for a fit. What's in the Package: Each pack includes five silicone bite valves exclusively made for filtered water bottles, ensuring you have adequate replacements to prolong the usability and of your hydration accessory. Regular Maintenance Made Easy: your water bottle remains in optimal condition by replacing the mouthpiece every three months. This simple habit will maintain the cleanliness and functionality of your water intake. Material: Silicone colour: Transparent White Package Contents: 6 x Water Bottle Mouthpiece 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.