20 x 20 x 4 Brown Corrugated Deluxe Literature Mailers 25/Bundle trending All styles are approved for

All styles are approved for shipment of your product using Post Office (USPS)

Manufactured from 200#/ECT-32 kraft corrugated

Note the box style in the product description

and Jumbo Fold Over Mailers

All sizes ship flat to save on space

20 x 20 x 4 Brown Corrugated Deluxe Literature Mailers 25/Bundle trending All styles are approved forAll 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.