【????️Advanced Force Field Max Protection 】 Equipped with upgraded micro-interference technology, this RFID blocking card disrupts unwanted RFID/NFC scans within a 6 cm radius (3 cm on each side). 【????Ultra-Slim 0.8mm Block Cards 】 Matching the thickness of a standard debit card, this credit card protector slides easily into any wallet, purse, or card holder.