The Universal Sidewall Kit is the perfect solution to fully enclose your 10 ft. x 20 ft. instant canopy or partially block off a couple side walls. Installs in seconds simply hook each wall around the perimeter truss and zipper walls together. Includes (6) 10 ft. Section walls - (4) solid (2) with middle zipper. This will fit the Festival Tuff Tent Athena and Goliath.