Color Printing Mailer Box For Online Shopping, this is a Folding box style, three layers corrugated material, 140gsm white kraft paper+120gsm corrugated paper+120gsm kraft paper. Single Color flexo printing, used for online shipping. Our MOQ for this type of box is 500 pieces, and Production Lead Time is 7 to 10 business days. Flat packing flexible in Different Shipping Options. We were featured as Delivery to Door Service (DDU terms).