- Protects crops from cold, frost, and hail in winter and stimulates growth in spring and summer - 140 gsm PE cover prevents tearing, maintains humidity, and protects plants from UV scorching while letting 85% of sunlight through - Open windows with mesh for better air circulation and protection from critters - Ground tubes and 10cm edges help the greenhouse fixed to the ground - An arched top to prevent sagging - Easy to assemble by connecting every two tubes with the 3-corner and 4-corner joints - Recommended that 1-2 people assemble it