Made from ecoFLEX, a composite of recycled polymers and reclaimed poplar they will outlast similar wood beds 5 to 1. ecoFLEX doesn’t splinter or warp and can be painted or stained to match your landscaping design preferences. They are AllProof resisting and barring anything mother nature can throw at them. They are easily assembled in 5 minutes or less and no tools are required. 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.