All sizes ship flat for easy storage and shipping convenience
All styles are approved for shipment of your product using Post Office (USPS)
All sizes shown are the inside dimensions of the box (in inches) and are in the following order: Length
glue or staples
Note the box style in the product description
9 x 6 1/4 x 4 White Deluxe Literature Mailers 50/Bundle 12x12 box All sizes ship flat 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.