This dual-purpose eraser is awesome for cleaning up dry media and getting rid of any unwanted smudges or smears on your current masterpiece. Fine dry powder cleans the drawing surface by absorbing the graphite and dirt. Block shaping allows for different widths of erasing area. Prismacolor Erasers part of a large selection of office supplies. Prismacolor(R) Art Gum Eraser, 2in.H x 1in.W x 7/8in.D, Beige, Pack Of 12 is one of many Pen Style Erasers available through Office Depot. Made by Prismacolor.