Easy-to-install pre-fit Ultra Max Canopy Enclosure Kits from ShelterLogic convert your canopy into an enclosed shelter in less than 10 minutes. Made of triple-layer, woven polyethylene-ripstop fabric, it blocks 98% of UV light and sports a UPF rating of 50+. Heat-sealed seams provide a stronger bond and resist tearing. Enclosure kit includes one solid rear panel, two solid wide walls, one solid double zippered door panel, bungee cords and easy step-by-step instructions. Imported. Available: 30L x 30W, 40L x 30W, 50L x 30W.