The ShelterLogic Max AP 10 ft. x 20ft. All Purpose Canopy Replacement Cover is the ready to install canopy top. It is designed to the exact frame specifications of the 10 ft. x 20 ft. 1 3/8 in. Max AP Canopy. Don't settle for cheap tarps or aftermarket covers to replace your canopy top; insist on authentic ShelterLogic brand canopy covers. Polyethylene cover is 100% waterproof and treated to withstand the outdoor elements. Perfect for refurbishing worn out or damaged canopy covers.