DESCRIPTION The Waterproof Faraday Backpack is the perfect companion for any adventure, offering dual functionality and peace of mind. With signal-blocking Faraday technology, it instantly blocks wireless communication signals, keeping your devices disconnected and secure from unseen threats. Additionally, it provides reliable waterproof protection, ensuring your valuables stay dry and protected, even in the most challenging conditions. Instantly Block: Cellular, WiFi, Bluetooth, GPS, RFID, NFC, Satellite, Navigation, EMP, Solar Flare, Key Fob and EMF Radiation KEY FEATURES Main compartment is an embedded patented Silent Pocket® Faraday Cage Roll down and clip closure (seal, roll three times and secure) Adjustable ergonomic backpack straps Two RFID Blocking YKK® water resistant zippered pockets Submersible for up to 30 minutes up to 10 feet Waterproof RF welded construction MOLLE loop for attaching water bottle, flashlight, etc Great for: Traveling, multiple devices, everyday use SPECIFICATIONS Materials & Trims Exterior: 420D Waterproof Nylon Lining: Multishield ® Faraday Shielding Material Hardware: Duraflex® UTX buckles Dimensions External: 18 x 11.8 x 7.08 in (46 x 30 x 18 cm) Internal Use: 17.7 x 11.8 x 6.3 in (45 x 30 x 16 cm) Volume: 20 liters Weight: 3.04 lbs (1.38 kgs) FARADAY TECHNOLOGY The main compartment of this bag is a Faraday cage and is rated to the following specifications: Silent Pocket® Faraday Technology Instantly Blocks: Silent Pocket® with Multishield® (Faraday Shielding Material) is MIL-STD-188-125-2 compliant, and exceeds IEEE 299-2006 (1 - 40GHz) standards. (100,000:1 reduction, see testing page here ) Blocks 100 dB+ Cellular, WiFi, Bluetooth, GPS, RFID, NFC, EMP, and EMF Radiation Blocks CDMA, GSM, DCS, PHS, 3G, 4G, 5G, LTE Blocks WiFi (2.4 - 5 GHz), Bluetooth (2.4 GHz), and GPS (1-2 GHz) Blocks RFID and NFC @ 13.56 MHz Shields against EMP, HEMP, CME, Solar Flare, and static shock Blocks Carrier, hardware, and OS agnostics