Feature: *High quality, heavy duty galvanized steel frame steel framework. * Rust Resistant * 6 Screened Vents at each side (Can also be closed) • *Reinforced Mesh Polyethylene cover to hold in heat, moisture and diffuse. It allows more sunlight to keep plants warm *Entrances at both of the end panels with double zippered doors• *Easy to set up *Full instructions and care manual *ISO 9001:2000 standard certified manufacturer. Specification: Structure Size: 15" L x 7"Wx 7.5"H Frame Galvanized steel tubes Cover: 180 gram/m2 ; Transparent Polyethylene with Mesh Reinforced ; UV protected Tube Diameter : 1 inch ; thickness 1 mm Door Dimensions: 3.5"W x 6.7"H Weight : 80 Pounds Packing: One carton