Easy Installation: The bungee kit is easy to replace and install.Friendly to inexperienced people Product Details: 2 sets of bungee kit includes 4 windproof balls and bases, 4 pull ring , 8 highdensity stainless steel screws and 8 plastic anchors Function: The bungee kit can prevent the rolling shade from blowing away. It doesnt flap about in the wind Material Quality: The bungee kit has UV resistance and can withstand harsh outdoor environments.Our sphere has a smooth surface and thick material. The elastic rope adopts a core with excellent elasticity, which can withstand weight and tension to the maximum extent Good Applicability: The bungee kit is compatible with most outdoor roller blinds, suitable for Coolaroo outdoor roller shade and others