13 x 13 x 4 White Literature Mailers 50/Bundle trending All sizes ship flat for

All sizes ship flat for easy storage and shipping convenience

Sold and shipped flat in bundle quantities

and Jumbo Fold Over Mailers

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

Made with water-resistant adhesive (WRA)

13 x 13 x 4 White Literature Mailers 50/Bundle trending All sizes ship flat 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.