Adams General Purpose Sales Book, 2-Part, Carbonless, White/Canary, 3-11/32" x 5-5/8", 50 Sets per Book, 10 Pack (DC3510) QUALITY INVOICES: Adams Sales Order books provide a professional invoice or customer receipt; a handy wraparound cover folds between sets to prevent writing through to the next page 50-TWO PART CARBONLESS FORMS: Customers get the perforated white top copy; retain the yellow copy for your records ROOM FOR CUSTOMIZATION: A blank space at top leaves room for your company stamp; a big savings over custom-printed forms CONSECUTIVELY NUMBERED: Large 6-digit numbers help you thumb through orders quickly 10 BOOK VALUE PACK: Stock up so you don't run out our your favorite books; get 50 sheets per book, 10 books per pack