OGrow Ultra-Deluxe 4 Tier Portable Bloomhouse Small greenhouse with 4 shelves for deck, patio, or balcony Dimensions when built: 62 by 27 by 19 inches (h x l x w); each tier is 12-1/2 inches high Ideal for seed propagation and plant growing and display Strong durable clear cover manufactured from heavy duty material. Sturdy shelves for pots and seed trays; plastic cover with full length roll up zipper