2 PCS Parasol Table RingsIncludes 2 PCS patio table umbrella hole covers for stabilizing patio umbrellas, reducing and preventing scratches or dents on unstable umbrella poles, widely used in outdoor restaurants, home patios, swimming pools and Anywhere with a patio umbrella. Tabletop Umbrella Hole Standard SizeThe inner diameter of the parasol eye ring is 42mm/1.65 inches, and the standard ring diameter fits umbrella poles with a diameter of 1.65 inches or less. Warm Tips: Please check the size of the patio table holes before purchasing. Sturdy Plastic Umbrella Table Rings for OutdoorsThese table umbrella hole plugs are made of high-quality PVC plastic, not easy to break, temperature and light resistant, and reusable. The black outdoor umbrella eye ring makes it last longer in the sun than the white one. Easy to InstallIt is important to measure the diameter of the umbrella hole; then insert the ring plug into the hole and cover the hole with a cap or insert it with an umbrella. It can be easily removed in just a second, making it easy for you to store without taking up much space. Decorative Black Hat AccessoryEach patio table plastic ring comes with a black useful hat, when your umbrella is not in use, it can decorate the look of the table or cover other furniture holes to make the tabletop more beautiful.