This 10 x 20 ft. canopy extension kit is a quick and affordable solution for special events and seasonal protection. Quickly convert any 20 ft. long canopy to a fully covered event tent, single or double wall windbreak in minutes. Comes ready to install out of the box with steel tent poles and tie-downs. Expands coverage is by 280 square feet of protection. This unit is the extension kit only. The canopy frame and top are sold separately.