The sound is not a clingy loud sound but more of a gentle jingle, quiet enough to not be annoying after hearing it over and over. They are small and fit perfectly in most little toys. They have a sound and won't startle a baby when playing. Feature - ColorWhite - Material: Plastic - Size:3.50X3.50X1.00cm/1.38X1.38X0.39in - The bell box is small and light, which reduces the difficulty in making toys, and is suitable for the production of hand-made toys. - The bell box can be installed inside various children's toys to make it have the function of rattles, such as dolls, bears, plush toys, etc. - It is perfect for repairing plush toys or dolls to squeak again. - bell boxes are good for sewing into cuddly toys or other sewing such as baby toys. - Not only can be used as baby toys, but also as pet accessories, very suitable for hiding in pet toys, can effectively please your pet. Package list: Bell Ring Boxes