1. Material: PE 2. Thickened wall design, good resilience, not easy to rupture deformation 3. Excellent material, can withstand high intensity of the hit 4. Hollow ball design, lightweight and portable, suitable for practicing outdoors 5. Round hole design, feel comfortable and smooth 6. Luminous effect, you can train at night 7. Diameter: 74mm 8. Weight: about 26g
