18 x 18 x 20 Corrugated Boxes 15/Bundle

These boxes are standard test RSC (Regular Slotted Carton) brown corrugated and meet Federal Mil Spec PPP B 636. They ship flat, making them easy to store and convenient to ship. The sizes shown are the inside dimensions in this order: Length, Width, and Height.

To use these corrugated boxes, first unfold them from their flat - shipped state. Make sure to assemble the box according to the natural folds. You can use packing tape to seal the bottom and top securely. When packing, place your items gently inside, ensuring not to over - stuff the box as it may damage the corrugation. For storage, keep them in a dry place away from direct sunlight to prevent the brown corrugated material from weakening. If the boxes get dirty, you can wipe them with a dry cloth. These boxes are designed for multiple uses, but if you notice significant damage, it's best to replace them.