Most styles fold together in seconds without tape
All sizes ship flat to save on space
Made with water-resistant adhesive (WRA)
Note the box style in the product description
One inner and one outer carton required to make a set - sold separately
4 x 3 x 2 White Corrugated Mailers 50/Bundle 12x12 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.