Greengro Greenhouse 56 x 56 x 75'' Greenhouses for Outdoors Portable Greenhouse Kit with Mesh Side Windows PE Cover 8 Shelves Heavy Duty Walk in Green House for Backyard Garden Indoor Outside

Ultimate Protection For Your Plants: Indoor greenhouse boasts a thickened 16mm heavy-duty base ensuring superior wind resistance & rock-solid stability compared to other greenhouses. Heavy duty use green PE cover which reinforced with high tensile grid stands up to 45mph wind force protecting your plants from the toughest weather conditions. (Note: Bottom extension cover requires sandbags or rocks for added reinforcement against strong winds.)