Grow plants and flowers in the smallest of spaces with this Reinforced 3 Tier Mini Greenhouse from Christow. Great for patios and decking, it has a rust-resistant steel frame for superior stability and a thick reinforced cover to create the perfect growing conditions. Durable Reinforced Cover The cover consists of a white internal grid sandwiched between two layers of polyethylene for superior strength. Its far thicker than a standard PVC cover to reinforce the frame and provide greater wind-resistance. Promotes Healthy Growth Because the cover has a white internal grid, rather than a green internal grid like most greenhouses, it allows plants to absorb the levels of blue and red light they require for healthy growth. It also keeps them warm and insulated from the cold at night. Roll Up Zipper Door The door has zippers on either side to easily open and close. Ties at the top allows you to secure the door when rolled up to easily water plants and flowers. You can also leave it open to