Printed Kraft Mailer Box For Hotel Supplies, Folding Box Style Also called one-piece box style or mailer box style. Box set up without any glue or tape, folding the side flaps into the slotted hole on the bottom. The box is flat shipping and rigid enough while turn around. Three-layer kraft paper board, 170gsm +140gsm corrugated paper+120gsm kraft paper. Flexo printing, MOQ is 500 pieces, the sample time is 7days, mass production time is 10days. Our packing method is Kraft Paper Wrapping and wrapping film on the pallets for this type of box.