Large walk in greenhouse: Heavy-duty garden polytunnel is an ideal way to extend your growing season by protecting plants from cold and birds while easily managing your plants. Suitable for growing tropical plants, vegetables, fruits, flowers, etc.Quality materials: Sturdy metal frame with 4 extra slant supporting rods ensure stability of this polly tunnel for garden. The transparent PE plastic cover protects plants while allowing nourishing sunlight to pass through and make the plants in an environment with ideal humidity.8 roll-up side windows: The eight roll-up windows are all equipped with mesh to allow for cross ventilation and climate control, and also makes it easy to observe the growth situation of the plants.Roll-up door: A large zipped roll up door provides easy access to the inside and can be attached to the top in order to stay open. You can easily anchor the greenhouse into the soil and add stability with the 4 ground nail, 4 supporting rods, and an overhanging cover.Overa