Neeko Posu, Click Post, Yu-Packet, Tape-Free A5 Size Cardboard Boxes These cardboard boxes can be used for shipping via Neeko Posu, Click Post, Yu-Packet, and standard-size (within specifications) fixed-size mail. Internal Dimensions: Approximately Length 232mm x Width 162mm x Thickness 27mm External Dimensions: Approximately Length 234mm x Width 164mm x Thickness 29mm Color: Brown *Please note that there is a possibility of corner bends, dents, or wrinkles during delivery. The lid has tabs that can be inserted to form the box. The bottom is sized to fit A5 documents, and the box is approximately 3cm thick, making it compact. Sale Bonus * For purchases made on Monday/Wednesday/Friday/Saturday/Sunday: For purchases of 50 to 99 boxes... +5 boxes For purchases of 100 to 149 boxes... +10 boxes For purchases of 150 to 199 boxes... +15 boxes For purchases of 200 to 400 boxes... +20 boxes *The bonus will be determined based on the day of the week the purchase is made.