Document envelopes are perfect for all of your shipping and warehousing needs. Clear faced document envelopes can be used to put mailing labels inside and help keep the labels dry. Invoice and packing list enclosed document envelopes allow the recipient to find their invoice or packing list without having to search through the shipping package. Show your American pride with USA packing list enclosed envelopes. Organize your warehouse with shop ticket holders. Pack-Secure Packaging and Shipping Supply Specialists have the document envelopes that you need.