TOPS Memorandum Forms Book, 2-Part, Carbonless, 2 Memos per Page, 100 Sets per Book (4150) Efficient way to send memos Preprinted prompts include date, to, signed, re: and more 2-part carbonless sets includes originals in white and duplicates in yellow Detached form size is 5.5 x 5 inches 100 form sets per book