Novelty ArtStone Ella Flower Box, Black, 21.5-Inch Constructed of Lightweight and Waterproof Blended Stone and Plastic Material Traditional Structure with Modern Look Built-in Water-Minder Reservoir keeps Plants Hydrated and Happy Footed Bottom Promotes Airflow to Prevent Root-Rot LxWxH (inches)= 21.5" x 6.5" x 6.75"