Most styles fold together in seconds without tape
Note the box style in the product description
All of these Indestructo corrugated mailers / boxes are designed to create a professional appearance for shipment of your catalogs
and Jumbo Fold Over Mailers
12 x 6 x 4 White 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.