This Thanaddo greenhouse kit creates an all in one gardening place, replacing the need for a garden shed. You can grow vegetables and flowers while storing all your tools and supplies. Made of 4mm twin wall polycarbonate panels that block 99.9 percent of UV rays with 90 percent light transmission, plus a thickened aluminum frame and heavy duty galvanized base for solid support. The smart design includes a sloping roof and gutter system for effective water drainage, a sliding door and adjustable window for ventilation while keeping pests out. Easy assembly with picture instructions and numbered parts. Save money by growing as many seeds as you want, reducing spring plant purchases.