5 x 5 x 4 Brown Corrugated Mailers 50/Bundle 12x12 box All boxes are heavy duty

All boxes are heavy duty RSC (Regular Slotted Carton) brown corrugated

glue or staples

W5c and V3c corrugated meets military specifications

Most styles fold together in seconds without tape

Manufactured from 200#/ECT-32 kraft corrugated

5 x 5 x 4 Brown Corrugated Mailers 50/Bundle 12x12 box All boxes are heavy dutyAll 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.