Designed for convenience, these plastic water bottle mouthpieces are easy to install and replace. They fit most children's water bottles, providing secure and leak-proof seal. Whether your child is at school, playing sports, or on family outing, these bite valves ensuring they are safe. Features -Color:Transparent -Material:Plastic -Size:5.50X4.50X4.50cm/2.16X1.77X1.77in -Versatile: designed to fit a variety of children's insulated thermal mug, offering versatile and practical solution - Gentle: The tip is crafted to be gentle on children's mouths, ensuring comfortable and pleasant drinking experience -Easy to clean and replace: this suction nozzle keeping safe for your child to use - Easy installation: Installation is straightforward and quick, making it convenient for parents to manage - Practical: this product caters to different children's tastes, making drinking water more enjoyable Package list: 4 x suction nozzles