Specification Brand : HARFINGTON BulletPoint1 : Size - Width: 95mm / 3.74 inch; Length: 150mm / 5.9 inch BulletPoint2 : Material: The car key protector bag is made of carbon fiber and internal RFID shielding fabric to ensure long-lasting protection against signal interference, and the style is stylish and simple, in addition, the sturdy stitching and reinforced hooks add an extra layer of durability. BulletPoint3 : Usage - Secure your key in the Faraday bag for worry-free protection. When you are ready to unlock and start your car, take the key out of the bag effortlessly. Protect your car at all times. Block and release. BulletPoint4 : Application - The car key chain protector can block various signals, including RFID information anti-scanning, and anti-RF information leakage, and can block Bluetooth, GPS, RFID, car key signals, etc. BulletPoint5 : Note - Wipe with clean water or a small amount of detergent, do not dry clean, expose to the sun, iron, or bleach. GpsrSafetyAttestation : 1 ItemName : HARFINGTON Faraday Pouch for Car Keys, Faraday Bag RFID Fob Key Protector Signal Blocking Anti-Theft Case Security Cage Block Red ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 5.91 inches ItemPackageDimensions_Width : 5.91 inches ItemPackageQuantity : 1 ItemTypeKeyword : vehicle-alarm-accessories Manufacturer : HARFINGTON ModelNumber : htf241024hh000215 NumberOfCompartments : 1 PartNumber : htf241024hh000215 Pattern : Solid ProductDescription : The car key protector bag is made of carbon fiber and internal RFID shielding fabric to ensure long-lasting protection against signal interference, and the style is stylish and simple, in addition, the sturdy stitching and reinforced hooks add an extra layer of durability. The car key chain protector can block various signals, including RFID information anti-scanning, and anti-RF information leakage, and can block Bluetooth, GPS, RFID, car key signals, etc. Secure your key in the Faraday bag for worry-free protection. When you are ready to unlock and start your car, take the key out of the bag effortlessly. Protect your car at all times. Block and release. Note: Wipe with clean water or a small amount of detergent, do not dry clean, expose to the sun, iron, or bleach.