1. PU ball, good hitting feel, thick and durable 2. Improve hand-eye coordination and release life stress 3. Can be installed on various surfaces 4. Scientific air inlet, easy to inflate 5. Suction cup base, strong adsorption 6. Easy to use, easy to install, does not take up space 7. Size: about 40 cm in height, 15 cm in diameter of the sphere 8. Note: Ships uninflated
packing list: Pump x 1 Suction cup base x 1 Spring x 1 Ball x 1
