Sold and shipped flat in bundle quantities
All sizes ship flat to save on space
Provides maximum protection for equipment and parts
and Jumbo Fold Over Mailers
Most styles fold together in seconds without tape
7 5/8 x 5 7/16 x 3 9/16 White Outside Tuck Mailers 25/Bundle 12 x 12 box Sold and shipped flat inAll 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.