JU1030 Features: * Double-wide sliding doors allow the use of a wheelbarrow inside of the greenhouse * Aluminum framing with gutters built to withstand all weather conditions and designed to last for many years * 4 mm twin-wall polycarbonate panels are unbreakable and provide effective insulation * 12 year guarantee against manufacturer defects Color/Finish: * Panels diffuse the light so your plants are protected from the ""hot spots"" associated with glass greenhouses and are also protected by a UV coating to prevent discoloration