Mayne Nantucket 24" Window Box Combo with Corbel Brackets - White 2' Dimensions: 24" L x 11.5" W x 10" H (plus corbel height of 7") Our molded plastic planters are made in the USA from high-grade polyethylene, double wall design Sub-irrigation water system, encourages root growth Includes 2 steel wall mount brackets with a black powder coated finish Includes two decorative "corbel" type brackets in matching color.