Note the box style in the product description
Cartons have a FOL (full over lap) bottom for added strength
and Jumbo Fold Over Mailers
W5c and V3c corrugated meets military specifications
Provides maximum protection for equipment and parts
12 x 12 x 1 1/4 White Literature Mailers 50/Bundle Discount_5933550108762_10 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.