glue or staples
Cartons have a FOL (full over lap) bottom for added strength
W5c and V3c corrugated meets military specifications
One inner and one outer carton required to make a set - sold separately
All sizes ship flat for easy storage and shipping convenience
8 x 4 x 2 Brown Corrugated Mailers 50/Bundle 12 x 12 box glue or staplesAll 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.