Keep your car keys safe from theft with this Car Key Box Signal Blocker Keyring. Made with RFID Blocking technology, this black fob provides a Faraday Cage that can prevent your keyless entry fob from being scanned or hacked by thieves. It is designed by carkeybox.com and manufactured in China, making it a reliable security accessory for your vehicle.

Far more resistant to wear and tear than their pouch alternatives which makes them more reliable.

Item Outside Dimensions L x W x H: 5.5 cm x 3 cm x 8.5 cm centimetres

Maximum fob size width: The widest key this will fit is 4.2 cm

This unit quantity of one comes in a sleek black colour and is perfect for any car owner who wants to protect their valuable belongings. It falls under the categories of Car Keys, Fobs & Remotes, Dash Cams, Alarms & Security, In-Car Technology, GPS & Security and Vehicle Parts & Accessories. Get your hands on this essential accessory today to ensure the safety of your car keys. 

This box was designed for Mercedes fobs in terms of size but have tested it with Audi and other fobs.  If not sure message me your fob dimensions and I can check.

Have seen someone selling these same boxes for around £10 more on Amazon. Not many people selling these in UK.