outsunny 56x29 walk in greenhouse with 2 tier shelf roll up zippered door portable gardening plant hot house with pe cover greenOutsunny's portable greenhouse plastic will help you extend your growing season by protecting your plants from cold and birds. It has a steel frame for a stable core. The pe cover forms a protective shell, keeping heat in and wind and rain out. A roll up door allows you to enter and exit at any time to access your plants. Simply put up, and go grow. This small greenhouse could be the perfect solution for gardeners who want to keep their plants safe