Brighten up the exterior of your home by adding color and beauty with the Mayne Fairfield Window Box. This durable construction offers a low maintenance solution and cleans with just a simple rinse of a garden hose. Accent your home with a beautiful New England window box design Mayne molded plastic window boxes are made from 100% high-grade polyethylene This window box features a double-wall design creating a water reservoir Outside Dimensions: 48"L x 11"W x 11"H. Inside Dimensions: 44"L x 7"W x 8"D Water reservoir capacity is approximately 4 gallons, soil capacity approximately 9.5 gallons Includes 4 wall mount brackets with a black powder-coated finish