Zenport SH3205 4-Tier Versatile Mini Cold Frame Greenhouse for Protected Patio and Balcony Free-standing compact greenhouse with 4 shelves for sheltered decks, patio or balcony Sturdy shelves hold potted plants and seed trays; ideal for seed propagation, plant growing and display Sturdy green steel frame with waterproof transparent plastic cover and zipped roll-up panel for easy access, ventilation and humidity control Easy to self assemble Assembled dimensions: 27-Inch wide by 19-Inch deep by 62-Inch high; 12-1/2-inch clearance between shelves