ShelterLogic 10 x 20 - Feet Polyester Replacement Cover, Fits 2- Inch Frame, Green High quality heavy duty polyester fabric cover with 1 piece fitted full valance and enclosed gable ends design provides a more elegant decorative canopy look Tough polyurethane coat lining is double stitched and sealed for optimal water resistance and drip free seams Twist tite tensioning, patented feature for optimal cover to frame fit 50+ UPF Sun Protection blocking 98 percent of harmful UV Rays Cover attaches to frame fast and remains secure with bungee fasteners