The back of the glove has a special sound design, and the sound when touched is like the sound of opening a candy bag.It can attract the baby’s attention and prevent the baby from biting things when they grow teeth. It is a toothbrush and a toy at the same time.The product can be cleaned with disinfectant, machine washable and dry.The silicone part of the glove is designed with convex points, which massages the baby's gums and relieves the pain and itching The US FDA food-grade silicone material is safe, non-toxic and does not contain BPA. Protect the baby's hands from excessive saliva and skin damage from chewing.