Usage Tips:Sufficient quantity: you will receive sufficient quantity of umbrella wedge plugs, which are suitable for table hole opening hole diameter 2 to 2.5 inch, please push this wedge gently in order to have it sink into the hole, so please measure your table and umbrella pole before ordering. Soft and durable material: the patio umbrella cone is made of silicone material, which is soft and durable, not easy to fade and break, has a long service life, can be applied for a long time, and bring you a nice using experience. Easy to use: remove and disassemble is very easy and fast, you can install in seconds, just push, twist and turn until it's fully inserted, lightweight and portable, very easy for you to store. Practical and useful: this umbrella wedge plug is practical and useful, which can prevent scratches on your umbrella pole by friction with the patio table, and reduce the risk of umbrella swaying by wind. Wide range of application: the umbrella cone has wide range of application, which is perfect for coffee shop, milk tea shop, yard or other glass outdoors patio table. Colour:Black Material:Silica gel Package Contents: 4 * Patio Table Umbrella Hole Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.