Our internal double-sound is an essential for DIY looking to add sound to their creations. Ideal for baby rattles, pet squeaky toys, and sensory items, this accessory can be easily integrated into plush toys, crochet projects, or fabric balls. To use, insert the into your toy and secure it, ensuring it remains in place to produce engaging sounds. Features -Color:Multi -Material:Plastic -Size:9.50X4.50X3.50cm/3.73X1.77X1.38in -Engaging sound: the internal dualsound feature makes toys more captivating, providing an enhanced play experience for children and pets -Multiple play options: includes multiple squeaker air sacs, ensuring a variety of play choices and prolonged entertainment -Creative diy projects: these diy toy parts encourage children to explore their creativity and imagination, allowing them to create personalized toys -Toy longevity: Ideal for repairing or replacing parts, these accessories help extend the lifespan of favorite toys -Versatile application: compatible with a wide array of toys, these parts increase the functionality and enjoyment, making them more versatile and fun Package list: 10 squeakers