It's very convenient for quickly categorizing items with colors and written text. It can hold 20 sheets of copy paper, making it a staple for offices and students! It's compact and portable. It has a hole, so you can store it together with a ring or hang it on the wall. Size: 31mm * 40mm Material: PS Quantity: 20 pieces Unused, but without a box. Please refrain from purchasing if you are concerned. Thank you for viewing.