300 x 200cm size: A small-medium piece, polytunnel greenhouse is a space to grow plants and vegetables in smaller spaces. Open inside - set up how you want inside. 2 zipped doors and large mesh windows: Easy to access inside walk-in greenhouse - rolls up and fixes in place. Mesh windows allow air inside polytunnel whenever you want. Three-layer plastic cover: A safe shelter to protect plants inside garden polytunnel. Middle reinforcement grid makes cover extra and durable. Anti-UV coating allows 85% sunlight through. .