Swartz Ink Sam4s ER-350II Cash Register Ribbon, Compatible, Purple (Please note this ribbon does not fit the ER-350) Purple Nylon Ribbon Compatible Swartz Ink Products Ribbon Please read the description: (THESE RIBBONS DO NOT FIT THE ER-350 CASH REGISTER) PLEASE MAKE SURE YOU ARE BUYING THESE RIBBONS FOR THE ER-350II EXCLUSIVELY.