●Size: Thin 7.9 inches (20 cm) / 7.84 inches (1.7 cm) / 0.669 inches (1.4 cm) / 0.551 inches (0.551 cm) / 0.551 inches (20 cm) / 0.669 inches (1.4 cm) / 0.551 inches (0 cm) ●[Material] Waterproof, anti-aging quality EPDM (Ethylene Propylene Monomer). Built in steel pieces. ●[Product Features] Thick rubber with strong protection and metal protection to prevent scrapes and skateboard damage and cracking. It is long lasting while maintaining its aesthetic appeal ●Easy to install: Symmetric distance on both sides and press it on the board. The built-in soft burrs make it difficult to fall off, but it is convenient to put on and take off ●[Weight] Thickness: Thin: 80g/0.176lb Color: Black