ShelterLogic Alumi-Max Pop-up Canopy Solid One Piece Wall Panel, 10 x 10 ft. Ultra Durable MAX Weight Polyester 500 Denier fabric is treated with added fade blockers for ultimate UV protection Sewn in hook and loop fasteners keep panels tightly attached to frame legs and neat looking 50+ UPF Ultimate UV protection - blocks up to 98% of harmful UVA and UVB rays. Mix and match to create a completely enclosed pop up canopy Complete ready to go wind/wall kit includes fitted Polyester 500 Denier fabric wallpanel with hook and loop fasteners