1. Material: sponge 2. Specifications: 0-9 numbers / sets 3. Soft, elastic and easy to color 4. Easy to clean and not easy to deform 5. Lightweight texture, rotation and moving 6. Environmental protection material, safe and non-toxic, can be used for the baby 7. Weight: 8 g / set 8. Size: about 6x1.5 cm
