The OEM Tops Memorandum Form TOP4150 features carbonless paper that creates automatic copies of memos for improved efficiency. Each page has a large ruled message area with preprinted prompts for date, recipient, signature, subject line, and check boxes for responses. The white originals and canary duplicates are printed in blue ink, and the originals are perforated for easy removal. This spiral-bound book includes two forms per page, with each form measuring 5-1/2" x 5".