Filing Experts Since 1984
File Folders, Chart Dividers, Labels
Same Day Processing Before Noon
Filing Experts Since 1984
File Folders, Chart Dividers, Labels
Same Day Processing Before Noon
Window envelopes streamline business mailings by eliminating the need for handwritten or printed labels. Designed for invoices, checks, and other important documents, these envelopes offer a polished and professional look while ensuring accuracy in delivery. At Advanced Filing Concepts, we offer a full selection of single window envelopes and double window envelopes in bulk boxes of 500—perfect for high-volume business use. Our envelopes come in standard #9 and #10 sizes, as well as many other sizes, designed to fit most standard business documents. Choose from self-seal, security-tinted, and custom-printed options to match your needs.