This shed extension kit adds 14.7-19.6 sq ft of storage space. Made of weather-resistant color coated steel, fits 7/9.1/11.2 ft shed widths. Easy assembly without dismantling whole shed. Ideal for backyard, garden, or farm. Add up to 2 extensions. | Mondawe | | Outdoor Storage Shed Extension Kit for 7 ft Shed Width | Gray | Best Buy