This portable greenhouse is made by a solid steel frame and high quality pvc cover. Perfect for seeding or to protect your young plants from the outside elements. Shield plants from dust and gaze, and helps to keep out pests. Seeds and plants will live safely in proper temperature. The small greenhouse kit is lightweight but sturdy for long lasting use. Roll up doors on the side of the backyard greenhouse plastic allows easy access and well ventilation. Easy and quick assembly is required.