Hoorah Green Mash Unit Portrait Border by Chesapeake. For the ultimate patriot this artistic rendering of a MASH unit at work shows a realistic military landscape. Hummers trucks tanks and helicopters make you feel the grit and power of the scene. Hoorah Green Mash Unit Portrait Border is a prepasted easy walls material. Frame the room with this lovely border. This border is both washable and strippable. Wallpaper comes on a roll that measures 9 inches by 15 feet and covers about 11.3 square feet. Chesapeake wallpapers are classically beautiful. Each collection centers around a thematic influence using familiar motifs and versatile prints to capture the essence of styles like coastal chic French country rustic charm and traditional elegance. The high-quality patterns are designed to be enduring and timeless.