Lechuza Cilindro 32 Self Watering Planter - Black Made in Germany of durable frost and UV resistant PP plastic for indoor or outdoor use. Self-Watering System features inorganic granulate compounds that provide the right amount of water to plant roots. A water-level indicator lets you know when it is time to refill the reservoir. Approximate size 13 Diameter x 22 H This planter features a wicker-like surface.