ShelterLogic Canopy Enclosure Kit fits 2-Inch Frame, 12x20-Feet, White Rip stop tough, triple layer woven polyethylene fabric material, heat sealed not stitched for a stronger bond and 100 percent water resistance UV treated, inside, outside and in between with added fade blockers, anti aging, anti yellowing and anti microbial agents Complete kit, includes side panels, fitted back panel and double zippered front door Easy to install, pre fit panels go up fast with bungee fasteners Canopy enclosure kit is CPAI-84 Section 6 compliant