TRUSTED BRAND & TECHNOLOGY: Silent Pocket is the only patented Faraday Cage system on the market. Our proprietary anti-hacking and anti-tracking wireless shielding technology is trusted by the US Government and Global Enterprise Companies. When it comes to your safety and data security, trust the best! | MANY USES: Made with durable high-grade waterproof ballistic nylon. Small (15.5 x 9 cm) is perfect for Key fobs, flip phones, burner phones, small smartphones. Medium (19 x 11.5 cm) will fit most smartphones including iPhone and Samsung Galaxy. Features a quick roll-down seal closure + external clear window. Scroll down for details on tablet and computer sizes. | FOR EVERYONE: Protect yourself from hacking, tracking, data extraction/wiping. Originally designed for law enforcement, forensic investigators to protect digital evidence. Now it is used by military, government, corporations, lawyers, journalists, travelers. Simple & functional design is great for outdoors, police, preppers, and more. | BLOCKS ALL SIGNALS: 100% Signal Blocking Faraday Cage Technology. This Faraday bag is the perfect RFID Blocker. Our technology shields against RFID, WIFI, Bluetooth, NFC, EMP, Solar Flare, Cellular, GPS, Radio - every signal type! Also provides EMF protection against the long term effects of EMF Radiation. | QUALITY GUARANTEED: Our Faraday bags are made from high quality durable waterproof nylon with our proprietary signal blocker technology layered inside it. 100% money back guarantee! Our Encinitas, California based customer service agents will address any questions or concerns you may have.