Our Sargent Art gum erasers are quality soft textured tools for absorbing graphite and other marks to keep your drawing surface clean and pristine. Smudges, lines, marks, and smears are no match for this welcomed addition to your materials. Our familiar block eraser is Essential for young and experienced artists alike. 12 count; each eraser measures: 2 inch x 1 inch x 1/2 inch safe and non-toxic.