Note the box style in the product description
Sold and shipped flat in bundle quantities
All boxes are heavy duty RSC (Regular Slotted Carton) brown corrugated
Cartons have a FOL (full over lap) bottom for added strength
All sizes ship flat for easy storage and shipping convenience
11 1/2 x 3 1/2 x 3 1/2 White Corrugated Mailers 50/Bundle 14x14 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.