Product Name: Silicone Umbrella Cone. Product Size: As Pictured Product Color: Black Shipping Quantity: 2 pieces Product material: rubber Uses: roof sunshade, sunshade, yard sunshade inner hole sleeve [Dimension]: Compatible for the diameter of the umbrella pole: 1.5 inch / 38 mm. The outer diameter at the smallest edge is 1.94 inches, the outer diameter at the largest edge is 2.7 inches. [Practical tool]: Tapered design keeps the umbrella properly seated and reduces the swinging of the umbrella to avoid scratches or dents. [Easy to Install]: It works with a combination of table and umbrella, only takes a few seconds to install. Push, twist and twist until fully inserted. [Durable material]: Made of weatherproof rubber material, can be used outdoors, not easy to be damaged. Welcome to meet