Scored at multiple depths for flexibility
Puncture resistant and water-repellent mailers are lightweight
Shippers arrive with foam glued to the top and loose on the bottom
1 1/2" polystyrene foam
All boxes are heavy duty RSC (Regular Slotted Carton) brown corrugated
3 x 3 x 3 Brown Corrugated Mailers 50/Bundle Discount_5933550108762_10 Scored at multiple depths 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.