Visibly identify the number of packages that were mailed in a group by applying this image on each outer cover. This allows for traceability and organization at the front and back end of the process. This practical self-inking stamp displays the "Pkg ___ of ____" message in a clear and professional manner, as shown in the picture, allowing your staff to quickly stamp multiple legal, financial and miscellaneous files in a timely fashion. Available rubber stamp size is 7/8" tall by 2-1/4" wide with your selection of 12 exciting colors to choose from. Makes for a great office resource!