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. TOPS 2-Part "Bill for Services Rendered" Books are carbonless, so they are easy to use, allowing you keep a canary duplicate along with a white original. These booklets are top bound with a snag free spiral coil, so pages are easy to remove without tearing. TOPS 2-Part Bill for Services Rendered Books measure 8.5 x 8.25 inches, and sheets are 8.5 x 7.75 inches detached. They are available with 50 sheets 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!