Most styles fold together in seconds without tape
glue or staples
All styles are appoved for shipment of your product using Post Office (USPS)
One inner and one outer carton required to make a set - sold separately
Manufactured from 200#/ECT-32 kraft corrugated
12 x 4 x 4 Brown Corrugated Mailers 50/Bundle trending Most styles fold together inAll of these Indestructo corrugated mailers boxes are designed to create a professional appearance for shipment of your catalogs, literature, parts, photos, printed material, etc. Note the box style in the product description. Choose from six styles: Standard Protective Mailers, Outside Tuck Mailers, RSC Boxes, Multi Depth Bookfolds, End Loading Mailers, and Jumbo Fold Over Mailers. Most styles fold together in seconds without tape, glue or staples.