1. Soft and comfortable feel, good elasticity. 2. Bright colors. 3. Good air tightness. 4. Suitable for professional training and general competition. 5. Ship without inflation. Lubricate the needle before inflation. 6. Weight: about 280g. 7. Diameter: 21.5cm. 8. Inner liner: Butyl inner liner (using winding explosion-proof technology).
