Description This is umbrella base hole caps, made of iron and rubber material, which is durable and can be used for long time. It is very easy to use for your parasol umbrella base, so you can enjoy your leisure time outdoors without being exposed to the sun, useful and excellent. 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 - The product is made of iron and rubber material, which is practical and convenient for people to use all the time. - The perfect size is suitable and wonderful for umbrella base, umbrella stand, practical and easy to install. - Reduces friction and prevents unstable umbrella poles, excellent and durable, strong and sturdy. - Simple in design, useful and excellent, wind-proof and reliable, can be used for patio umbrella, outdoor umbrella. - The product has fine workmanship, which is practical and excellent, wear-resistant and useful. 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.