Porelon 11444 IBM Selectric II High Density Compatible Correctable Mylar Typewriter Ribbon, Replaces Part #'s 1136310, 1299095, 1 Pack Vivid and consistent color - Black, Exceptional light fastness and durable impressions Replaces manufacturers part #'s 1136310 and 1299095 Compatible typewriter mylar ribbon This product has been designed and manufactured to operate the original equipment identified, and will not void your equipment warranty. One year (12 months) warranty from date of purchase