12x9x4 inches Shipping Boxes Set of 20, Black Medium Corrugated Cardboard Gift Mailer Box

Quality Material: Single wall corrugated boxes are made of recyclable cardboard. It's sturdy and secure for daily use. Easy to Use: Mailing boxes can be assembles in seconds without any tapes or glue. 32 ECT grade fits for standard stacking. Wide Usage: White cardboard boxes can be used for shipping, mailing or storage some small items. It is very suitable for your own label or DIY. Dimension: The outer size of the shipping boxes is 9 x 6 x 4 inches (L x W x H), and the inner size is 8.6x5.9x3.9 inches. Set of 25 Boxes: There are 25 pack boxes on the package, storing flat inside a larger carton.