Sparco Pre-Labeled Waterproof Packing Envelopes Packing List – 4 1/2″ Width x 5 1/2″ Length – Self-adhesive Seal – White – Low Density Polyethylene (LDPE) – 1000 / Box (41926)

Pre-labeled envelope features a waterproof and oil-proof design to ensure your package is secure. Front is printed with “Invoice/Packing List Enclosed.” Self-adhesive offers a quick and easy way to seal your package without the need to moisten. Top layer is made of an LDPE 30 micron adhesive.