Show off your green thumb even when it"s bitter outside with this sturdy greenhouse, The unique dome design and high-quality building materials and engineering mean this robustly built greenhouse is well-insulated to nurse your plants through frigid winters, Two hanging shelves offer room for your tools, while open space under the bottom shelf provides an area for storing your wheelbarrow, ladder or long tools, Heavy-duty aluminum frame and stainless steel hardware for durability, 8mm and 10mm twin-wall UV-coated polycarbonate glazing blocks harmful UV rays to keep plants safe, Anodized aluminum profiles allow for long-term use, Polycarbonate-glazed panels nested in aluminum channels and sealed with thick rubber seals ensure effective insulation, 1 roof window with automatic opener, 1 rear wall window and 1 large Dutch-style barn door provide proper ventilation, 1-piece components, including a full-length roof beam and lateral and base profiles, deliver dependable stability, Curved roof deflects heavy winds, prevents heavy snow buildup and stays tough under hail, Accessories include the foundation frame, automatic window opener, 14"" wide top shelf and 25"" wide bottom shelf, 6"" high C-shaped aluminum foundation frame included for swift assembly, Assembles in 6 – 10 hours with a Phillips screwdriver, 10mm wrench, adjustable wrench, rubber mallet, cordless drill, 6" A-frame step ladder and 8" A-frame step ladder (not included), Dimensions: 10"8""l x 9"8""w x 7"6""h (greenhouse from center); 40""w x 24""h (roof window); 30""w x 49""h (rear wall window); 30""w x 79""h (door), SKU: EXTR117