Note the box style in the product description
In accordance with CFR 49 178
All styles are approved for shipment of your product using Post Office (USPS)
All include mandatory warning information printed on carton
Empty pails next for storage
16 x 16 x 2 3/4 Brown Corrugated Deluxe Literature Mailers 50/Bundle 14 x 14 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.