Easy to Install: Combine with table and umbrella and install in seconds. Just push, twist and turn until it's fully seated. It is recommended to pour some oil before installation to help with smooth installation. Reminder: Please measure your table and umbrella pole size before placing an order. Durable Material: Made of weatherproof rubber material, can be used outdoors, not easy to damage. Practical: The tapered design keeps the umbrella in place correctly and reduces the umbrella to prevent scratches or dents. Size: Fits an umbrella pole diameter of 1.5"/38mm. The outer diameter of the smallest edge is 1.94 inches and the outer diameter of the largest edge is 2.7 inches. Size: Fits an umbrella pole diameter of 1.5"/38mm. The outer diameter of the smallest edge is 1.94 inches and the outer diameter of the largest edge is 2.7 inches. color: black Reminder: Please measure your table and umbrella pole size before placing an order. Practical: The tapered design keeps the umbrella in place correctly and reduces the umbrella to prevent scratches or dents. Durable Material: Made of weatherproof rubber material, can be used outdoors, not easy to damage. Easy to Install: Combine with table and umbrella and install in seconds. Just push, twist and turn until it's fully seated. It is recommended to pour some oil before installation to help with smooth installation. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 2 * Umbrella Cone Wedges