Dimensions: 84L x 36W x 31.2H in.. Peak Height: 31.2 in.. Constructed of metal and polyethylene. Features a green color. Roll-up doors enhance ventilation. Dome design. Grow flowers like a pro by adding the Outsunny Portable 7 x 3 ft. Backyard Greenhouse to your garden. Constructed using durable metal and polyethylene, this functional greenhouse assembles easily and provides the proper growing conditions for your plants. Zippered panels allow for easy access when watering and grooming.