I am also selling on other apps, so I will delete the listing when it sells out! Shin-Asahi Corporation Sonic Ace Skimming Prevention Card SKIM GOLD-SP Skim Gold-SP (Set of 3) 2-piece set Retail price is 1420 yen per piece. Can be used for skimming protection. When cards are stacked and put in a wallet, they may become unusable due to magnetic errors, so I use these to prevent magnetic errors. Since I started using them, I haven't experienced any magnetic errors, so they are convenient! I still have some in stock, so I will offer a discount if you purchase multiple sets. ● How to use Simply place it in a pocket of your wallet or card case, stacked with the card you want to protect. An essential item for peace of mind and safety when traveling abroad or commuting. ● Compatible with All IC cards, electronic money, credit cards, My Number cards