Our bite valve replacement mouthpiece is designed to meet the needs of toddlers and young children. The spill-proof design that water stays in the bottle, even when it's tossed around in a backpack. The soft silicone material is gentle on delicate mouths, making it an for everyday use. Features -Color:Transparent -Material:Silicone -Size:6.20X3.70X1.50cm/2.44X1.45X0.59in -Safe silicone material: constructed from soft silicone, this bite valve prioritizes the safety and wellbeing of children -Universal fit: designed to be compatible with a variety of children's water bottles, offering a convenient replacement option -Lipfriendly: the soft silicone material is gentle on children's lips, ensuring a comfortable and enjoyable drinking experience -Leakproof technology: features a leakproof design to prevent spills, keeping your child's belongings dry and organized -Fun and functional: available in different styles to cater to children's tastes, making hydration a fun and engaging activity Package list: 8 x Bite Valve Replacement