It provides approximately 3,040 cubic feet (380 sq. ft.) of spacious space, offering plenty of room for simple storage, a creative workspace, or a life shelter. This premium storage cabinet features galvanized steel construction for superior strength and longevity, while also resisting mold, corrosion and termites. Its sturdy construction stands up to inclement weather.Unexpanded size: 7 ft. x 19 ft. x 8 ft.Unfolded size: 20 ft. x 19 ft. x 8 ft.Looking for great partners.Distributors/agents/independent reps welcome!We support customized design!Please contact us for details.+8615350800808