The 4-piece pool umbrella stable adapter is designed to secure and stabilize pool umbrellas, providing a safe and stable shading solution for poolside relaxation. Made of durable PP material, it is easy to install and suitable for various umbrella pole types. This umbrella pole stabilizer effectively prevents your swimming pool umbrella from wobbling or tilting, and its easy installation saves time and effort. The umbrella sleeve adapter is UV-resistant and corrosion-resistant, made from quality PP material that can withstand wind and sun exposure without breaking or deforming, ensuring years of use. This accessory enhances the stability and protection of your sunshade umbrella. Features: Easy to Install Color: Gray Material: PP Package Contents: 4 * Umbrella stabilizers Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement error allowed is +/- 1-3cm.