Novelty ArtStone Ella 12" gray square indoor/outdoor planter. It features a built-in internal Water Minder Reservoir Drainage System that rehydrates indoor plants as needed, reducing the frequency of watering. Made from a proprietary blend of resin and natural stone, this lightweight and durable planter is frost proof and UV resistant, allowing it to be left outdoors year-round. The footed bottom ensures proper airflow, while the removable rubber stopper provides drainage options for indoor and outdoor use. No saucer or tray is required.