Amedeo Design ResinStone 2509-15G Classic Window Box, 37 by 9 by 9-Inch, Lead Gray Made of ResinStone - Proprietary Blend of Stone and High Performance Resin Amazing Stone-Like Appearance Ideal for Use Inside and Out Remarkably Light Hand-Made in the USA by Local Artisans Commercial Grade - Lifetime Guaranty and Warranty Amedeo Design