Napa"s simplified, sleek design utilizes the same benefits as the ArtStone family internal water feature and durable resin composite with a taller, more streamlined, trendier shape. ArtStone is Novelty"s premier line of planting containers that represents an appealing range of styles and colors, taste and budge. These high quality planters are made from a proprietary blend of resin materials, with a significant amount of natural stone. Rubber (removable) stopper for drainage no need to punch holes. Footed bottom allows for airflow. Lightweight and durable. Built-in unique Water-Minder reservoir; refeeds plants as needed. No need for saucer or tray. Composed of natural stone and resin. UV resistant. Frost resistant can be left outdoors year-round.