Start seedlings or extend your growing season with the GrowIT 4-tier mini grow house. 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, while reducing the amount of harmful UV light. This means less damage to plants as well as reduced fungus and harmful insects. ShelterLogic Grow It 1-ft L x 2-ft W x 5-ft H White Greenhouse Kit | 70517