Start seedlings or extend your growing season with the Miracle-Gro Mini Greenhouse. This easy-to-assemble, compact greenhouse is constructed with a high-grade steel tubular frame. The clear PVC cover allows a significant amount of light to reach the plants. The Miracle-Gro Mini Greenhouse can be assembled in about 15 minutes with quick snap assembly. No tools required. Skip the middle man and grow what you eat this mini growhouse is great for getting an early start on fresh fruits, vegetables, and herbs for your family | Miracle Gro 23" x 17" x 57" Mini Greenhouse