Portable 6 Shelves Walk In Greenhouse Outdoor 3 Tier Green HouseFeatures It is designed with a zippered roll up door for easy access and screened ventilation for optimum air circulation. Ideal for starting seeds protecting young plants, and for extending the plant growing season beyond. The walk in door allows for easy access to add new plants without compromising space. Keeping plants safe and organized is a simple task. Different heights between the spaces allow for storage of small and medium to large plants to