Car key signal blocker case faraday cage fob key bag RFID locking bag with 13.5x9.5cm dimensions in black or brown microfiber for anti-theft and anti-degaussing of phones and bank cards
RFID and Mobile Phone Signal Blocker Bag in 13.5x9.5cm Microfiber

This signal blocking bag offers a straightforward method to secure your daily electronic items from wireless scanning. Designed as a practical faraday pouch, it uses integrated shielding to block radio frequency signals, preventing unauthorised access to the data on your bank cards, key fobs, and mobile phones. Its primary function is to create a shielded enclosure that stops signals from entering or leaving, which addresses concerns over digital theft and unwanted communication interruptions. The bag is unisex in style with a plain pattern, making it a discreet accessory for personal and professional use where data security and uninterrupted leisure time are valued.
Features and Construction

This section details the specific build and functional characteristics of the signal blocker bag, focusing on its measurable specifications and stated capabilities.
Material and Build
The bag is made from microfiber, a common textile known for its softness. This material forms the external fabric of the pouch. The critical functional component is the integrated shielding layer within the bag's construction, which is designed to block radio waves. This layer creates the faraday cage effect, preventing signals from reaching the items placed inside. The design is plain and unisex, intended for broad applicability without specialised styling.
Size and Practical Fit
The bag's dimensions are precisely 13.5cm by 9.5cm. This size is suitable for carrying a range of everyday electronic items as mentioned in the source, including typical mobile phones, bank cards, and key fobs. The compact form factor allows it to be easily placed inside a larger bag or pocket. The available colour choices are black and brown, offering neutral options that can blend with other personal accessories.
Uses and Placement

Understanding the application scope helps users integrate the bag effectively into their routines for security and convenience.
Event or Professional Use
For professionals such as managers or individuals in business and public relations, the bag provides a way to secure communication devices during meetings or focused work periods. By placing a mobile phone inside, incoming calls are blocked, giving the user a 'do-not-disturb' service without turning the phone off and risking misunderstandings. This use is supported by the source text's mention of avoiding suspicion from colleagues or partners when needing uninterrupted time.
Everyday Home Use
In daily life, the bag serves as a protective case for sensitive items like credit cards, ID cards, and car key fobs. Storing these items in the bag while out and about shields them from RFID skimming attempts, a growing concern for personal financial security. It also offers a way to limit mobile phone radiation exposure, a feature noted as being favoured by some user groups, such as pregnant women, though the source does not specify performance levels or certifications for this claim.
Benefits and Buying Value

The value of this product lies in its specific, source-supported functions that address modern digital security and lifestyle needs.
Reuse and Low Maintenance
The bag is designed for repeated use. Its construction does not require batteries or charging; the shielding is a permanent property of its material build. Maintenance is minimal, involving only the occasional cleaning of the microfiber exterior. This makes it a simple, reusable tool for ongoing signal protection, contributing to its practical value over time without recurring costs.
Why Choose This Product
Choose this bag if you require a documented method to block RFID and mobile phone signals using a specific 13.5x9.5cm pouch. Its value is in providing a dedicated, portable shield for your cards and devices, a function supported by the source text. It offers a neutral alternative to switching your phone off entirely, helping manage communications practically. It addresses the clear need for a physical barrier against wireless data theft for items you carry every day.
