WALK IN GREENHOUSE: Our backyard greenhouse is an ideal way to extend your growing season while easily managing your plants and protecting them from extreme temperatures. PE COVER: Our two-layer 140 GSM PE cover features a reinforcement grid through the middle to prevent tearing. It protects plants from UV scorching while allowing 85% of nourishing sunlight to pass through uninterrupted. The 5.9 in extended edges are supposed to be deep buried in the soil to tighten the green house cover for more stability and against rainwater accumulation. STEADY STEEL FRAME ROLL-UP DOOR & WINDOWS GARDEN GREENHOUSE DIMENSIONS: Overall Dimensions: 14.6'L x 6.2'W x 6.6'H. Assembly Required. Note: Please put away the cover in case of heavy snow, strong wind, and heavy rain.