SLNT Window Faraday Bag Black Extra Large. This bag features a window that allows you to view the device while still safeguarding it from remote tampering. Instantly Block: Cellular WiFi Bluetooth GPS RFID NFC Satellite Navigation EMP Solar Flare Key Fob and EMF Radiation Specifications for SLNT Window Faraday Bag: Manufacturer: SLNT Color: Black Fabric/Material: Polyester Pack Application: Travel Size: Extra Large Pack Size: Extra Large Gender: Unisex Features of SLNT Window Faraday Bag Silent Pocket Faraday cage with roll down velcro closure Clear plastic window to visually see the device Package Contents: SLNT Window Faraday Bag SLNT SPUF-WNW-XL: Window Faraday Bag Black Extra Large