I Love Math Classroom Square Root Decorative Wall Decal Sticker 13" H X 16" W Black and White Default color for wall decal is BLACK. Please email if WHITE is desired. Black and White are only colors available. Comes in a sturdy shipping tube with instructions. Created from highest quality vinyl available. When applied properly, our wall decals look as if they have been painted on. Wall decal can be removed easily and will attach to any smooth surface. You can clean this decal either indoors or outdoors with mild soap and water.