The surface is created with Artstone which is a blended stone and resin composition， forming an earthy texture while remaining sleek in shape. The Ella Flower Box also features a built-in Water-Minder Reservoir. Plants can pull up water as they need with less frequent watering. Made from a proprietary blend of resin and natural stone Durable in strength， it always makes an impact in any decor The artstone rectangle flower box weighs in with durability， good looks and mix and matchability Plastic resin Made in USA Your security is our number one concern