Most styles fold together in seconds without tape
Manufactured from 200#/ECT-32 kraft corrugated
Sold and shipped flat in bundle quantities
All sizes ship flat to save on space
All styles are approved for shipment of your product using Post Office (USPS)
10 x 6 x 6 Brown Corrugated Mailers 50/Bundle 12 x 12 box 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.