123ink packing list envelopes are transparent, so you can use them to stick a packing slip, invoice or other document on the outside of a package. The top layer is made of sturdy plastic, so that the document remains legible. This package contians 100 315mm x 225mm - A4 self-adhesive transperant envelopes
These envelopes are unprinted.
Of course this 123ink product also comes with a 100% warranty!