Whether you're camping, dining in the backyard, or hosting a wedding reception, the BenefitUSA makes an ideal companion. This portable greenhouse will surely extend your plants growing season no matter where you live. It can be set up easily. Green Powder coated steel frame provide and middle rails provide additional stability for this greenhouse. Specifications: Size - （7.5M x 3M x 2.15M）24.6' L x 10' W x 7' H Cover - Material Heavy duty transparent Polyethylene green checker Frame Material - Green powder coated steel , make the whole product more firmly, longer use and nice performance. One Zipper Door: Can be completely opened and rolled up, with high quality metal zippers, a bigger operating space and better ventilation. Would allow the wind to pass through the greenhouse from front to back,give your greenhouse a longer lifetime. With this greenhouse , It maintains high humidity levels for growing tropical plants, vegetables, fruiting plants and herbs.