Adams invoice books are specifically designed for the office on-the-go! These 2-Part carbonless forms measure 8-3/8" X 10-11/16" And feature a white and Canary paper sequence with large areas for Descriptions and details concerning the work to be performed. You can easily customize your invoices for a professional look by using a company stamp in the extra space at the top, and with 50 sets in each book, you?ll always have plenty on hand. A wraparound back cover Tucks between pages so you don't write through multiple sets. A large 6-digit number in the upper right-hand corner gives customers a numbered order and makes it easier to locate the corresponding duplicate in your files.