SimplyShade Black 13-ft x 13-ft Boulder Shade sail with Fasteners

Black 13-ft x 13-ft Boulder Shade sail with Fasteners. Taiwan Polyester Fabric can meet CPAI-84 Fire resistance. 13-Ft x 13-Ft Triangle Sail Shade Canopy. Black powder coated steel frame. With two choices of expansion bolt and stake kits to fix the sail shade canopy on the grassland or concrete floor