400 x 300cm tunnel design: Polytunnel is large and spacious. Open design offers plenty of growing room for plants and more.Hinged door: Easy access inside garden polytunnel, and is easy to fix with a built-in ball. Big opening design allows for cross ventilation, so temperature and humidity are in your hands.220gsm plastic cover: Middle reinforcement for extra durability, also tear resistant. Garden polytunnel is a safe shield for plants, protects against weather.50cm extended edges: Bury into the ground, helps keep polytunnel greenhouse standing steady.Dimensions: 400L x 300W x 195Hcm. Door dimensions: 150W x 190Hcm. Convenient to assemble with screws and film clamps. Recommended that 2-3 people assemble it.