Crystal clear virtually unbreakable polycarbonate roof and walls panels that provide 100% UV protection and over 90% light transmission directly onto plants Polycarbonate panels provide protection from UV rays 132 sq feet growing space and 6.8' of head room; Covering Area = 12.3 sq.m/ 131.9sq.ft; Storage Area = 11.6sq.m / 124.8sq.ft; Product Volume = 24.4cube.m/861.7cube.ft Includes double wide doors, three adjustable roof vent, rain gutters and lockable door handle 5 Year Limit Warranty