TROIKA Protective case CardSaver®Protective case for one card in credit card format, RFID fraud prevention for credit and bank cards, identity cards and other cards with an RFID or NFC chip, TÜV-tested Cryptalloy® technology, PVC, blackClever protection for smartcards Modern smartcards work with wireless technology - and so do modern thieves. They read the personal data from a credit, bank or debit card in a flash - over distances of several metres and completely unnoticed. The TROIKA Card Saver is a protective sleeve for one credit, debit or bank card. Its TÜV-tested Cryptalloy® technology made in Germany with an ultra-thin high-tech film provides efficient NFC and RFID shielding. Black.