12 x 12 x 4 White Literature Mailers 50/Bundle 12 x 12 box All styles are appoved for

All styles are appoved for shipment of your product using Post Office (USPS)

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

and Jumbo Fold Over Mailers

Note the box style in the product description

12 x 12 x 4 White Literature Mailers 50/Bundle 12 x 12 box All styles are appoved forAll 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.