3-TIER GREENHOUSE KIT - The 3 tiers of sturdy shelving in this small greenhouse are 27.5-inches-long by 18.5-inches-wide to provide ample space to start multiple flats of seedlings and care for young plants until they are ready to plant in the ground. INDOOR OR OUTDOOR - The portable greenhouse is ideal for both indoor and outdoor use on your porch, patio, deck, or sunroom. The PVC cover features a zippered roll-up door that protects plants from frost or pests to create an ideal growing environment. RUST-RESISTANT FRAME - Made with durable iron tubing, this green house is built to stand up to the weight of potted plants with powder-coated paint that protects the frame from corrosion when exposed to the elements for long-lasting use. VERSATILE USE - This indoor or outdoor greenhouse is a perfect way to extend your growing season for various herbs, vegetables, and fruit-bearing plants, as well as for showcasing beautiful perennials or holding gardening supplies in the offseason. PRODUCT DETAILS - Materials: Metal and PVC. Dimensions: (L) 27.5" x (W) 19" x (H) 50"; Shelves: (L) 24.25" x (W) 18.5". Color: Green and Clear.