Alvin 1450AE jumbo white vinyl erasers are best used for removing graphite from paper, drafting vellums and film without ghosting. Non-abrasive, self-cleaning. Protective sliding sleeve keeps hands and eraser clean. PVC material is non-abrasive and self-cleaning. Phthalate and latex-free. Approx. size: 3 x 1-1/2 x 5/8. PACK OF 12.