Silicone Umbrella Hole Ring:Our patio umbrella parts are made of high-quality silicone material, which is durable, not easy to age, and can be used for a long time, making it very suitable for patio umbrella table with hole. Non-slip and stable:The soft silicone of the umbrella hole plug can fill the gap and easily fill the patio table umbrella hole. The non-slip characteristics of the silicone can better stabilize the patio umbrella and avoid collision and wear. Adaptability: The detachable umbrella hole cap design allows you to cover the umbrella hole cap when you don't need to use the parasol to protect the umbrella ring, extend the product's service life, and keep your patio table flat. Applicable size: The outer diameter of the umbrella table ring is 6.1 cm (2.4 inches), the inner diameter is 4.2 cm (1.65 inches), and the height is 1 cm (0.39 inches). Please be sure to confirm the size before purchasing. Wide Application: Our silicone umbrella hole ring is perfect for coffee shops, outdoor bars or other outdoor patio tables,with simple and modern design style, it can be integrated into various decorations to enhance the overall beauty. Material:Silicone, Acrylic Outer diameter:6.1cm (2.4inch) Inside diameter:4.2cm(1.65inch)  Thickness:1 cm(0.4inch) Color:‎Black Packing:1 Set Umbrella Hole Ring Plug and Cap Set