[Dimension]: Compatible for umbrella pole diameter: inner diameter 38mm, minimum outer diameter 50mm, maximum outer diameter 69mm[Practical tool]: Tapered design allows for properly help the umbrella and reduce the balance 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.[Warm Note] Please: Measure the size of the table and the umbrella pole before ordering.Number of pieces delivered: 2 Color: Black Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.