Convert your canopy into a fully enclosed shelter in less than 10 minutes with our easy to install pre-fit enclosure kits Expand the use of your 12-wide canopy by quickly converting to a fully enclosed 4-wall panel shelter in less than 10 minutes. Genuine affordable Enclosure Accessory Kit is made of triple-layer, rip-stop, UV-treated, waterproof polyethylene fabric material Heat sealed seams not stitched for a stronger bond and absolute water resistance. 50+UPF rating blocks more than 98% of UV harmful rays. UPF represents Ultraviolet Protection Factor and indicates how much of the sun's radiation is absorbed. 50+UPF is the highest fabric rating for radiation exposure. Only 2% of the UV rays will penetrate through the shade fabric. Easy-to-install pre-fit wall panels go up fast with bungee fasteners Double-zipper front door rolls up tight with bungee fastener to keep in place for easy access.