Start seedlings or extend your growing season with the 4-Tier Mini Grow house from Miracle-Gro. This easy-to-assemble greenhouse is ideal for small backyards or places where space is an issue. This durable and compact greenhouse unit is constructed with a high-grade steel tubular frame. Measuring 5/8” in diameter, the metal frame has a powder coat finish to help protect it from chipping, peeling, rust, and corrosion. The waterproof clear fitted 4.4 oz thick PVC cover allows a significant amount of light to reach the plants, while reducing the amount of harmful UV light. This means less damage to plants as well as reduced fungus and harmful insects. This durable cover also protects your plants year round, making it an all-season greenhouse. The cover features integrated tie-downs for a tight fit. It also has a double zipper door panel that rolls up, allowing easy access to plants and seeds. You can customize your growing space with the (4) wire mesh shelves. They can be removed to accommodate taller plants, plant stands, or other gardening accessories. Assembly is quick and easy. Due to its quick-snap assembly, no tools are required and the greenhouse can be assembled in about 15 minutes. Get ready to grow with the Miracle-Gro 4-Tier Mini Grow house. Whether you’re an experienced gardener or a weekend flower enthusiast, you’ll love this portable and functional greenhouse. Perfect for decks, patios, and balconies and measures 17.4" D x 23" W x 57" H.