Description: The repair edge is made of foam, flexible, anti-aging and durable. You can easily replace the broken or damaged one. Please clean the glue before installing the new edge.Please pay attention to the size of the item before you buy it. Specifications: Material: foam: black. Outer diameter: 142 mm. Domed outer diameter: 130 mm. Inner diameter: 108 mm. Inner diameter: 95 mm. Package contents: 2 x foam edges.