Palram Glory Hobby Greenhouse, 8' x 16' 10 mm twin wall roof and side panels - polycarbonate panels are virtually unbreakable and blocks 99.9% of harmful solar UV rays Robust gray powder-coated aluminum frame provides a durable, stronger and corrosion resistant structure 127 square feet growing space and 8.8' of head room Includes three roof vents with automatic vent openers, side louver window, plant hangers, integrated rain gutters, threshold ramp, galvanized steel base and ground anchoring system Includes a heavy duty door 31.7 Inch wide that is lockable This is an O.E.M. part