Note the box style in the product description
Sizes shown are the inside dimensions of the box in the following order: Length
literature
Labels and special shipping instructions stand out on the crisp white carton
hard to pack irregularly shaped items
15 1/8 x 11 1/8 x 3 Brown Corrugated Literature Mailers 50/Bundle 12 x 12 box Note the box style 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.