General description The Large Capacity Key Signal Blocker RFID Anti-Theft Car Security Bag is designed to protect your car keys from unauthorized access. Made from high-quality materials, this bag features a double-layer signal shielding that effectively blocks various signals, ensuring your vehicle remains secure. Technical specifications Material: High-quality PU material with internal RFID shielding fabric Size: 12.7 cm x 8 cm Compatibility and accessories Includes 2 genuine leather car keychains Includes 2 metal keychains Usage Place your car key inside the bag to protect it from RFID scanning Use the card holders to store bank cards and door cards Other information Features a snap button design for secure closure Designed with two card holders: one for shielding RFID signals and another for regular cards