Made Of 600D Polyester | Conductive RFID Shielding Inner Liner | Blocks All Cellular, WiFi And Bluetooth® Signals, Including Incoming Phone Calls, Text Messages And Notifications While Sealed Inside The Case | For Complete Signal Blocking To Occur, Disconnect The Charging Cord From Phone Before Sealing It Up In The Case | All Voicemails, Text Messages And Notifications Will Appear After Removing Your Phone From Case | Eliminates Human Error While Driving By Providing A Physical Barrier Stopping The Urge To Check Your Phone | Fits Most Smartphones. Approximate Size: 4 3/4″ W x 10 1/8″ H, Imprint Area: Front & Back: 3″ W x 4″ H … Flap: 2″ W x 1″ H.Standard Imprint Area is on the Front. Optional Imprint Areas are the Back And Flap.