Description: 【Premium Material】: This Outdoor Patio Umbrella Cone is made of premium silicone material, which is soft and not easy to break. It ensures a stable and balanced umbrella pole, so you don't have to worry about wear and tear. 【Easy to Use】: The flexible umbrella stand insert allows for easy installation and removal. Simply push and twist the wedge until it's fully inserted into the table, enabling you to set up your umbrella in seconds. 【Stability】: The table umbrella sleeve firmly secures your table umbrella, preventing it from swaying even in windy or rainy weather conditions, ensuring that your umbrella remains upright and stable. 【Versatile】: With an inner diameter of 38mm/1.5inches, this sunshade stabilizer is suitable for 2nch-2.5inch patio table holes and 1.5inch umbrella poles. Please measure your table and umbrella pole before ordering. 【Applicable Scenarios】: This swimming pool umbrella stabilizer is widely used in cafes, gardens, picnics, tea shops, bars, swimming pools, courtyards, restaurants, balconies, beaches etc. Specification: Material: Silicone Size Chart: Bottom Diameter 4.3cm/1.69inch Height 5.8cm/2.28inch Top Diameter 3.8cm/1.50inch Package Includes:(4 Pack) 1 Outdoor Patio Table Umbrella Hole Insert Plug