Sax Gum Art Erasers, 2 x 1 x 1/2 Inches, Brown, Pack of 12 Popular block shaped general purpose eraser in standard tan color is great for all ages and environments Medium size and shape lends easy, comfortable grip and hold Fine gum erasers also do not harden with age and will not harm or erode away delicate work or paper surfaces Grit-free results leaves no smudges or leftover lines after erasing Perfect choice for workshops, studios, schools, offices, and around the home