Big boxes can be bottomless pits for packing lists and invoices. In shipping they can easily get buried under packing peanuts, or bubble sheets or kraft paper. Skip the "hide 'n' seek" your customers have to play with essential documents -- use these Packing List Envelopes! The light plastic construction means they add little to the shipping costs, so preserve the savings you get from using your Stamps.com account and compatible scale!

• Tough plastic for survivability and tamper-proofing
• Strong adhesive to ensure the envelope remains on your shipment
• Transparent window allows easy inspection of the documents at any point in the mailstream