17 x 11 x 2 1/2 White Literature Mailers 25/Bundle 12 x 12 box Cartons have a FOL (full

Cartons have a FOL (full over lap) bottom for added strength

Note the box style in the product description

Preserve shipment appearance by sealing white boxes with clear carton sealing tape or white paper tape

and Jumbo Fold Over Mailers

17 x 11 x 2 1/2 White Literature Mailers 25/Bundle 12 x 12 box Cartons have a FOL (fullAll 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.