Faraday cage key fob bag blocker case for car key signal protection, RFID blocking pouch in microfiber material measuring 13.5 x 9.5 cm, unisex plain design available in black or brown.
Faraday Cage Key Fob Bag: 13.5 cm RFID Blocker for Car Signal Protection

This Faraday cage bag offers a straightforward method for protecting your car keys and sensitive electronic items from modern digital threats. Designed as a compact, portable pouch measuring 13.5 cm by 9.5 cm, it uses a specialised barrier layer to block radio waves, preventing RFID scanning and signal-based relay attacks. Its primary use is for car key fobs, but it is also applicable for smart phones, bank cards, and disk readers you carry daily. By placing devices inside, it creates a shielded environment without the need to switch them off, providing a balance between security and convenience for professionals, managers, and individuals seeking uninterrupted private time.
Features and Construction

The bag's functionality is built around its core protective features and physical build. It is a practical accessory focused on creating a barrier against specific electronic intrusions.
Material and Build
Constructed from microfiber, the bag has a plain, unisex design suitable for everyday carry. The material forms the outer structure, with an internal layer designed to block signals. This build focuses on creating a shielded enclosure rather than on aesthetic detailing, aligning with its primary protective purpose.
Size and Practical Fit
With dimensions of 13.5 cm in length and 9.5 cm in width, the bag is compact enough to fit into a pocket or bag conveniently. This size is tailored to hold standard car key fobs, mobile phones, and several cards, making it a versatile carrier for multiple essential items while maintaining its portability.
Uses and Placement

The bag serves distinct roles in both specific security scenarios and general daily use. Its application extends from targeted theft prevention to broader personal privacy management.
Event or Professional Use
For individuals such as business managers or those in public relations, the bag allows for creating do-not-disturb periods without turning a phone off, avoiding potential misunderstandings. By blocking signals, incoming calls receive a 'unavailable' message, enabling uninterrupted focus during meetings or personal time while maintaining the device's standby state.
Everyday Home Use
In daily life, the bag provides a simple solution for safeguarding car keys from relay theft attempts and protecting contactless cards from skimming. It is also used to prevent mobile phone radiation exposure, a feature noted as being favoured by some users such as pregnant women, though specific protection levels are not quantified.
Benefits and Buying Value

The product's value lies in addressing specific modern concerns with a reusable, low-maintenance tool. It offers practical advantages centered on control and prevention.
Reuse and Low Maintenance
As a durable microfiber pouch, it is designed for repeated use. Maintenance involves simple wiping with a dry cloth, and it does not require batteries or charging. Its value is sustained through ongoing protection against signal interception and data theft each time it is used.
Why Choose This Product
This bag provides a dedicated, physical means of blocking RFID and key fob signals, a function not inherent in standard wallets or cases. For buyers seeking a confirmed method to prevent relay attacks on vehicles or shield cards, its specified shielding capability and compact 13.5 x 9.5 cm size offer a clear, focused solution over multipurpose items without this specialised feature.
