Contractor's invoice book is perfect for the office or on-the-go. Three-part carbonless sets feature a white, canary, pink paper sequence. Carbonless paper means no mess. Each form has space at the top for your company stamp. Other preprinted spaces designate where to fill in "To," "Work Performed at," date, work order number, description of work performed, agreement terms, project cost, deadline date and the kind of arrangement (agreement or proposal). Each book includes 50 sets.