Mayne Fairfield 11″ x 48″ Plastic Window Box (White) or Black for $103.20 shipped after code OUTDOOR20. Here is a screenshot for your reference. It is molded from high-grade polyethylene with built in UV inhibitors, and features double wall design, sub-irrigation water system, and has inside dimensions of 44 in. L x 7.5 in. W x 8 in. D and approximately 9.5 gallon soil capacity. It also includes 4 wall mount brackets with a black powder coated finis.