2 Pack Faraday Bags for Key Fob Cell Phone, 8.3x4.3in Pouch Car Keys RFID Signal Blocking Holder, Waterproof Keyless Entry Blocker Protector, Anti Theft Security Cage Case, Carbon Fiber

SUPERIOR SIGNAL BLOCKER: Made of premium double-layer carbon fiber & shielded material, it blocks signals including cellular, WiFi, Bluetooth, GPS, RFID, NFC, EMP, EMF, radio signals ect with 70dB+ average attenuation so as to protect your belongings PREMIUM CRAFTSMANSHIP: Crafted from quality black carbon leather by skilled artisans, carefully sewed on all sides & joints. It is odorless & durable, won’t rip or tear no matter how hard it is rubbed. Each Faraday bag is rigorously tested before shipment ENHANCED SECURITY: Adopts cutting-edge signal shielding technology, it block 99.99% of RFID signals (10K Hz - 30G Hz), prevents thieves from intercepting & relaying signals from your key, shields against break-ins and keyless ignition theft PERFECT SIZE: 8.3x4.3in/21x11cm large sizes with a closable flap accommodates all size of smart mobile phones, car keys, bank cards and other small items, prevents tracking, hacking, spying. The integrated stury keychain provides more flexibility. SMART DESIGN: Safeguard your vehicle key with our Faraday signal case by double shielding material to cut off signal overflow. It features reliable durability, top-quality stitching, and a scratch-resistant structure, compatible with all car key brands