6x6ft open size: Walk in greenhouse is spacious enough for growing a decent amount of plants, flowers and vegetables. Open design - customise how you want inside. Roll-up doors and window: Easy to enter and leave this polytunnel greenhouse, as well as let air inside whenever you want. Zipped door for security. Two-layer PE cover: A safe shelter for inside this garden polytunnel, protects plants from mild weather - wind and rain. Also allows 85% of sunlight through. 10cm long edges to bury into soil. .