Since 1952, TOPS has provided quality products and services to businesses throughout the world. TOPS continues that commitment providing innovative, high quality value-added paper products for the office, school and home. The TOPS Purchase Order Book contains consecutively numbered purchase orders and numbered lines help with record keeping. Remove original, keep follow-up copy in book as permanent record. The carbonless duplicates with a white and canary paper sequence which provide a duplicate receipt copy without the hassle of messy carbons. A wraparound cover attached to back can be placed between sets to prevent write-through. Each set is consecutively numbered, and there are 50 sets per book. Whether it's a multi-part form, notebooks, writing pads, record books, or any of the hundreds of items we offer, you can count on TOPS products to help!