Shipping/Mailing Pouch Enclosed Bags for Packing Slips Invoice plastic Courier packing list Invoice enclosed With Pocket Protect all documents from adverse weather and handling conditions. Widely used for shipping companies and express companies. Protects shipping packing lists, invoices, etc., ideal for everyday and industrial use. These envelopes are perfect for mailing and shipping your return labels or address labels. They keep your documents/lists safe while protecting the labels from moisture and damage during shipping. Features a self-adhesive backing for secure attachment without tape. Size 6 x9 inches, 1000 pieces per box