Sizes shown are the inside dimensions of the box in the following order: Length
Sold and shipped flat in bundle quantities
One inner and one outer carton required to make a set - sold separately
All styles are approved for shipment of your product using Post Office (USPS)
Preserve shipment appearance by sealing white boxes with clear carton sealing tape or white paper tape
4 x 4 x 1 Brown Corrugated Mailers 50/Bundle 12x12 box Sizes shown are the insideAll 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.