Material: SBR neoprene. Tile Size: 11.6 x 10.8 inches (29.5 x 27.5 cm). Caliber Diameter: 5.1 inches (13 cm). Weight: 10.6 oz. (303 g). Color: Black. Application Type: Mountain bikes, folding bicycles, commutes, and motorcycles. Note: Please check the product securely before driving. If this product gets wet, wipe off the water thoroughly and let it dry in a shady ventilated place. If this product gets dirty, please use a mild detergent and wipe thoroughly to avoid any residue, and dry in a well-ventilated place in the shade. Do not use in cold areas below freezing temperatures.