1. Material: Silicone + ABS
2. Size: 138mm in diameter
3. Weight: 100g
4. Suitable age: more than 3 months
5. Ability training: training the baby hand, eye and brain coordination
6. Round design, smooth edges without burrs, care for baby's immature hands
7. Help babies recognize colors, recognize sizes and shapes
8. Soft silicone bubbles that can be easily pushed back and forth to relieve baby anxiety