... colors/designs avai new design poly mailing bags for mail sevice use 1self adhesive strip2use for mail service3high quality and ... moisture, puncture and tear. (4)Allows for excellent high resolution color printing and hand-writing, labelling. (5)High strength ... machine outputA5note padsA6postcardsB5, A5, B6, A6booksC4, C5, C6envelopes for A4 letters: unfolded (C4), folded once (C5), folded twice ...