Stays secure through tough handling conditions. Keeps packing slips, invoices, cards and other shipping documents safe and secure. This clear, polyethylene envelope comes with a high-tack rubber resin adhesive that sticks immediately upon contact. Oil- and water-resistant, this Non-Printed Packing List Envelope is built to withstand the toughest handling conditions. Easy to apply, easy to use. Works well in situations where the shipping orders are generated in an office area and later applied to the proper package in the shipping area. The non-printed face provides a clear window for logos, instructions or other information.