Dimensions: 24" W x 10" D x 11.5" H Primary Material: Plastic Primary Color: White Inside dimensions: 19.5" L x 7.5" W x 7.6" D Model #: 4829 Bullet 1: This window box features a double wall design creating a water reservoir Bullet 2: Mayne molded polyethylene window boxes are made from 100% high-grade polyethylene Bullet 3: Drainage holes are not pre-drilled allowing the planters to be used indoors. For outdoor use, drainage holes need to be drilled. Bullet 4: Includes 2 steel wall mount brackets with a black powder coated finish The Mayne Nantucket Window Box Collection features a bowed front, raised panel design, pronounced crown molding detail and built-in overflow drains. Sub-irrigation water system, encourages root growth and the planter holds approximately 2.5 gallons of soil.