Packing List Envelopes:Packing list envelopes are an important part of the shipping process. These envelopes help protect your packing slip, invoice, or customs document in transit, assuring all of the order information is received by your customer. This greatly reduces confusion with orders regarding what has and has not been received. Packing list envelopes feature an adhesive coating or strips for a secure hold. Simply remove the backing and stick it to the packages, and the adhesiveacts like a waterproof document holder throughout the shipping process.United Stated of America USA Flag Panel Face Packing List Enclosed:Panel face packing list enclosed envelopes are great for easy identification. The USA flag not only looks professional, but easily catches the customers attention and lets them know that their packing list is inside. On the other hand, the clear facing allows them to see who/where the package is for. Resistant to punctures, tampering and water, you can be assured your document will reach the customer both safely and confidentially.