1. Inner groove honeycomb design, shock absorption more comfortable to build 2. Convex anti-slip pattern design, stronger grip 3. Dense shock-absorbing honeycomb, double the comfort 4. Anti-vibration and explosion-proof, easy to cope with various road surfaces 5. Lightweight and flexible, easy to install 6. Material: rubber 7. Surface hardness: about 72 degrees 8. Size: about 22 x 5.3cm 9. Weight: about 830g