21 x 12 x 12 Corrugated Boxes 20/Bundle

These boxes are made of standard test RSC (Regular Slotted Carton) brown corrugated material, meeting Federal Mil Spec PPP B 636. They're great for shipping and storage. All sizes come flat, making them easy to store and ship. The given dimensions (21x12x12 inches) are the inside measurements, listed as Length, Width, and Height.

These corrugated boxes are super handy for shipping and storing your items. To use them, simply unfold the box and assemble it by tucking in the flaps. You can then place your items inside. When packing, make sure to distribute the weight evenly to avoid the box breaking. For storage, keep the boxes in a dry place to prevent the corrugated material from getting damaged. If you're not using them right away, you can keep them flat to save space. And don't forget, these boxes meet high - quality standards, so you can trust them to keep your items safe during transit.