1. Material: PU foam 2. Applicable age: 3 years + 3. Ability to cultivate: crawling, hands and brain, grasp, sensory 4. Safe and environmentally friendly materials, washable without fading, high elasticity 5. Colorful PU solid hole bouncy ball, decompression venting toys 6. Outdoor toys, parent-child interaction, enhance feelings, multi-color optional, interesting and fun 7. Weight: about 48 g 8. Size: diameter of about 7cm