Description: The repair edge is made of foam, 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: P15 Foam Color: Black; Outer Diameter: 4.5 inches (116 mm); Convex Outer Diameter: 4.1 inches (105 mm); Convex Inner Diameter: 3.2 inches (82 mm); Inner Diameter: 2.8 inches (72 mm); Package Content: 2 x Foam Edge.