General description This Sollbry Pack Signal Blocking Faraday Pouch Bag is designed to provide effective protection for your car key against hacking. Made from advanced nano technology double weave fabric, it blocks radio signals, ensuring your keyless entry car remains secure. The pouch not only protects your key but also prevents scratches and snagging on clothing. Technical specifications Material: Nano technology double weave fabric Additional material: Carbon fiber Features: Waterproof and wear-resistant Usage Blocks RFID signals to protect car keys from hacking Conveniently carries keys with a built-in ring for easy access Can be attached to a belt or backpack using the hook on the back Lightweight and compact design for easy portability Other information Note: Manual measurements may allow for an error of 1-3 cm Color differences may occur due to lighting and display variations