ShelterLogic MaxAP Canopy Enclosure Kit, 10 x 20 ft. Frame and canopy Cover NOT included in this kit. Fits all 10 x 20 ft. Max AP 1-3/8 in. Heat sealed seamsnot stitched for a stronger bond. Constructed of ripstop woven polyethylene fabric. Treated inside, outside and in between. You’re already purchasing the item. With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you’re getting a good deal when purchasing with us.