The 4pcs pool umbrella stable adapter is designed to secure and stabilize pool umbrellas, providing a stable and safe shading solution for your poolside relaxation. Made of PP, easy to install, and suitable for various types of umbrella poles. The umbrella pole stabilizer can effectively stabilize your swimming pool umbrella from wobbling or tilting; You can install it easily, which will save your time and effort. The umbrella sleeve adapter for pool is made of quality PP material, UV resistant and resistant; It can withstand the wind and sun, will not break or deform easily, you can use it for years. This accessory can better hold and protect your sunshade umbrella. Features:, Easy to Install Colour:Gray Material:PP Package Contents: 4 * Umbrella stabilizer 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.