Description This is an umbrella base hole plug cap, selected iron and rubber material, lightweight and so portable, safe and odorless. It's made with excellent workmanship, looking fabulous and awesome. Suitable for old heavy-duty umbrella bases, easy to replace. Features -Color:Black -Material:Iron, rubber -Size(screw):5.00X3.00X3.00cm/1.97X1.18X1.18in -Size(inner ring):5.80X5.00X5.00cm/2.28X1.97X1.97in -Size(outer ring):6.00X6.00X5.60cm/2.36X2.36X2.20in - Iron and rubber material and fine craftsmanship, sturdy and durable for a long time. - The product has multi-functional usage, and can be wonderful for you to use them all the time. - Can prevent scratches by friction with the patio table, and reduce the risk of umbrella swaying by wind. - Installation and disassembly is very easy and fast, you can install in seconds. - It can be fixed on the ground, help prevents umbrella from swaying caused by wind. Iron and rubber material and fine craftsmanship, sturdy and durable for a long time. The product has multi-functional usage, and can be wonderful for you to use them all the time. Can prevent scratches by friction with the patio table, and reduce the risk of umbrella swaying by wind. Installation and disassembly is very easy and fast, you can install in seconds. It can be fixed on the ground, help prevents umbrella from swaying caused by wind.