20 x 20 x 4 Brown Corrugated Deluxe Literature Mailers 25/Bundle trending All sizes ship flat to

All sizes ship flat to save on space

One inner and one outer carton required to make a set - sold separately

Multi-Depth Bookfolds

Sold and shipped flat in bundle quantities

20 x 20 x 4 Brown Corrugated Deluxe Literature Mailers 25/Bundle trending All sizes ship flat toAll 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.