All sizes ship flat for easy storage and shipping convenience
Sizes shown are the inside dimensions of the box in the following order: Length
Width and Height
All sizes ship flat to save on space
All styles are approved for shipment of your product using Post Office (USPS)
18 x 4 x 4 White Corrugated Mailers 50/Bundle Discount_5933550108762_10 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.