20 x 20 x 20 500 lb 71 ect heavy Duty Double Wall Boxes 10/Bundle

These boxes are made of standard test RSC (Regular Slotted Carton) brown corrugated material and meet Federal Mil Spec PPP B 636. They're flat - packed for easy storage and shipping. The dimensions listed are the inside length, width, and height of the box.

To use these boxes, simply unfold them and assemble along the pre - scored lines. You can pack items up to 500 lb inside. When storing, keep them in a dry place as they are made of corrugated material. If they get wet, they may lose their strength. For maintenance, avoid sharp objects that could puncture the box. You can reuse them multiple times if they remain in good condition. When shipping, make sure to seal the boxes properly with strong packing tape.