This Pen+Gear 12 in x 8 in x 10 in medium shipping box is perfect for shipping small to medium sized items for business or personal use. For easy assembly, fold the flaps down to form the bottom of the box and secure with packaging tape (sold separately). After packing your box, close the top flaps and secure with packaging tape. Each box is the standard kraft brown color which makes labeling and organizing your boxes simple. The best part? These shipping boxes are made from 100% recycled materials. That means you're helping protect the environment whether you're moving, storing or shipping your valuables.