Never wonder if you need to water your plants again. The Algreen Modena 22 in. Self-Watering Planter makes it easy to grow beautiful, healthy flowers and plants inside or outside of your home. The planter self-waters using a large water reservoir and it has a water level indicator to let you know when you need to refill. This modern planter is made from a resilient polymer resin which protects it from the wear of UV rays or cold weather. Planting is made simple with an easy-to-lift plant liner, plus rolling caster wheels in the planter base make it effortless to move it around your living space.