Plastic Press-Pack Packing List Envelope - This Plastic Polyethylene Open End Packing List envelope repels moisture. It securely adheres to packaging once the liner is removed from the back, exposing a full pressure-sensitive adhesive. Preprinted in black on orange "PACKING LIST ENCLOSED".Plastic Polyethylene Preprinted Black on Orange Open End Pressure-Sensitive Adhesive on back Peel Off Liner No Flap