Dimensions: 48W x 48D x 23H in.Special brackets for measure-free mounting to any raised bedRoll-up cover provides airflow and temperature controlHigh quality steel frame features DuPontâ„¢ premium powder-coated finishTranslucent, ripstop cover is waterproof and UV-treatedTension ropes keep cover in desired positionReduces the amount of harmful UV lightThermal barrier providing good insulation for plantsRound compact size perfect for starting seeds. The GrowIt Backyard Raised Bed Greenhouse - Round Style is the perfect solution for those looking to extend their growing season or give young seeds a first home. Framed in 1-inch high-grade steel this greenhouse offers specially designed brackets so you can mount it to any type of raised bed frame without any measuring. The frame has a DuPontâ„¢ Premium powder coat finish that resists chipping, peeling, rust and corrosion. When it comes to the cover, you'll get two end covers and one roll-up cover. These covers are triple-layered, heat-bonded, ripstop polyethylene that's waterproof and UV-treated inside and out. This cover provides enhanced illumination specifically designed for plant growth and protection. Roll the sides up for airflow and temperature control. Tension ropes will hold it in place and tie fasteners hold the sides to the frame. The wood frame is not included, but all the hardware is as well as step-by-step instructions.