These attractive, durable planters are a best buy and also eco friendly. Made from ecoFLEX, a composite of recycled polymers and reclaimed poplar they will outlast similar wood planter 5 to 1. ecoFLEX doesn't splinter or warp and can be painted or stained to match your landscaping design preferences. They are all proof resisting and barring anything Mother Nature can throw at them. They are easy to keep clean. Most dirt simply rinses off. Anything that is a little more stubborn can be removed with any common detergent and water.