Description: The repair edge is made of rubber, flexible, anti-aging and durable. Damaged or damaged items are easily replaced. Please clean the rest of the glue before installing new edges. Please pay attention to the size of the item before purchasing. Specifications: Material: YC-129A Rubber Color: Black; Outer Diameter: 5.5 inches (140 mm); Convex Outer Diameter: 5.1 inches (129 mm); Convex Inner Diameter: 4.1 inches (103 mm); Inner Diameter: 3.5 inches (90 mm); Package Contents: 2 x Rubber Edges.