This card is a special design for cleaning cash acceptors, bill counter/ validator, bill changers, check reader, vending machine, auto tickets seller, etc. You can insert the card to your equipment as you will buy tickets or goods. When equipments return the card, you finish a cleaning task, you can repeat several times.Current size: 152mmX63.5mmX0.35mm, 154mmX68mmX0.35mm, 150mmX76mmX0.35mm.Customized size is available.