Feature●Synthetic rubber resin adhesive sticks and stays stuck to a wide variety of corrugated, packaging and shipping material surfaces.●General industrial, food, medical pharmaceutical, e-commerce, jewelry, cosmetics, electronics, health, beauty, retail, commercial, packaging warehouses and distribution centers.●Protecting, invoice protection, protect packing list, holding, securing, supporting, attaching, labeling and shipping.●Provides control and protection of on-package packing list and invoice documents●Offers convenient peel-and-stick document attachment●Features a polyethylene backing, synthetic rubber adhesive and paper liner●Easy to use, this packing list envelope is side-loaded●Designed with printed message: "PACKING LIST/INVOICE ENCLOSED"Description 3M Full Print Packing List Envelope F1 is a side load, polyethylene envelope full face, top printed with packing list/invoice enclosed (red background with black text) with a strong rubber resin adhesive. Custom printing available on all standard size 3M Packing List Envelopes.