Binders & Binding Supplies ( 263) Calendars, Planners & Briefcases ( 7) Computer Hardware, Supplies & Data Storage ( 324) Files & Filing Supplies ( 223) Forms, Record Keeping & Reference ( 13) Furniture & Room Accessories ( 142) Janitorial/Maintenance & Lunchroom Supplies ( 59) Labels, Label Makers, Tags & Stamps ( 144) Mailroom & Packing Materials ( 41) Office Equipment & Equipment Supplies ( 119) Paper, Envelopes & Mailers ( 272) Pens & Desk Supplies ( 331) Presentations & Meeting Supplies ( 56) Universal® Single-Ply Adding Machine/Calculator Rolls ( UNV35720) Adding Machine/Calculator Roll, 16 lb, 1/2" Core, 2-1/4" x 150 ft, White, 3/Pack US$ 5.49 copyright 2010 Lakeway Publishers, Inc.