Mini Walk-in Greenhouse 06744769Features: Protect crops from cold, frost, and hail in winter and stimulate growth in spring and summer UV blocking PE cover with a reinforcing grid to prevent tearing Roll up windows, and sidewalls to control temperature and humidity Arched roof to prevent water from accumulating Galvanized steel pipe is water safe and bend resistant Seven crossbars, two reinforced inclined bars, and a ground frame Zippered roll up door for easy access and transport