dr gym dr. kim baby two-color water injection teether Dr Gym 金博士婴儿双色注水牙胶

The dental rubber contains distilled water. Different chewing textures can promote gum development. The soft and cool dental rubber helps relieve pain during teething, and its size fits the baby's hand, making it easy to grasp.

After the baby starts growing teeth, it will bite various objects to sense their hardness, softness, and elasticity, and then learns to adjust the biting force. By biting different types of objects, the gum beneath the teeth becomes active, and naturally, the baby learns to bite different objects.