Approx. 13’ W X 17’ L X 9’ H (4 M X 5.2 M X 2.7 M) - Shelter only w. double door 'airlock', 221 sq. ft. (20.5 M2) 290 lbs. (109 Kg) full velcro closure air vents, clear vinyl windows, HVAC Air ducts w. tie closures, HD Velcro connector flaps on each end to attach one unit to another.