For Aubrey kids water bottle spout replacement is made of food-grade silicone material, safe and easy to clean. Trusted quality accessories for water bottles. Clear installation instructions: simply remove the old spout from your water bottle and insert the new bite valve from the inside, pushing it up through to the outside. One-piece silicone mouthpiece self-seals to prevent leaks. Precise size design ensures a perfect fit for the bottle. This water bottle mouthpiece replacement helps extend the life of your bottle. Wide compatibility with Aubrey kids water bottle series, including 14 oz and 20 oz models. Note: Slight color variations may occur due to lighting or display differences, but this does not affect functionality. Color: Black Material: Silicone Package Contents: 4 x Water bottle spouts 2 x Cleaning brushes Only the above package contents are included; other products are not included. Note: Light reflection and different displays may cause the color in the image to vary slightly from the actual product. Measurement error allowance: +/- 1-3 cm.