100 Pack 6.5 X 4.5 Rigid Mailers With Self Sealing Flap Bulk Stay Flat Cardboard Envelopes For Shipping Postcards Photos (White)

Generic Corrugated Cardboard Carton Shipping Boxes, 25×20×9cm Mail Small Parcel Postal Boxes, Brown Packaging Mailing Boxes for Business, Posting, Storing or Gift