20 x 20 x 4 White Deluxe Literature Mailers 25/Bundle 8 x 8 box One inner and one outer

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

All sizes ship flat to save on space

Provides maximum protection for equipment and parts

Note the box style in the product description

All boxes are heavy duty RSC (Regular Slotted Carton) brown corrugated

20 x 20 x 4 White Deluxe Literature Mailers 25/Bundle 8 x 8 box One inner and one outerAll 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.