This canopy replacement cover is ready to install on the canopy top. It is designed to the exact frame specifications of the 10 x 20 ft. 1.375" canopy. Don't settle for cheap tarps or aftermarket covers to replace your canopy top; insist on authentic canopy covers. The polyethylene cover is 100% waterproof and treated to withstand the outdoor elements. Perfect for refurbishing worn-out or damaged canopy covers.