Protect your car keys and electronic devices from unwanted signals with this large Faraday box. Its carbon fiber construction blocks RFID, GPS, WiFi, and mobile phone data, safeguarding up to 6 key fobs from potential theft or hacking. Measuring approximately 6.7 x 4.8x 3.7 inches (17x 12.3 x 9.5 cm), this spacious box can also store cell phones, watches, jewelry, and other valuables, shielding them from electromagnetic radiation. With its sleek design and secure locking mechanism, this Faraday box offers peace of mind while traveling or at home. Keep your sensitive electronics and personal belongings safe from prying eyes and signals with this versatile and stylish signal-blocking solution.