1It can bite and satisfies the baby's preference for biting. 2Two hardness designs to meet the needs of babies in different periods. 3Not only can it be used as a guttapercha, it can be gently swayed, and the sound is clear and pleasant, but it can also be used for playing in the bath, and it is a toy design. 4Anticollision and drop resistance, more suitable for young babies. 5Made with environmentally friendly ABS material, no harm to your baby.