The DefenderShield® EMF Protection & Anti-Radiation - Detachable Magnetic Wallet Case for iPhone 11 Series blocks EMF cell phone radiation from the face of your cell phone, creating a barrier between the head or your body. This handcrafted case has a textured microfiber interior and vegan leather exterior resistant to scratching, staining, and the accidental drop. Our Signature Shielding Technology in the front cover of the DefenderShield iPhone 11 Case blocks up to 99% of wireless Electromagnetic Field (EMF) radiation & 5th Generation radiation up to 10 GHz, without affecting signal quality. Perfect For: Daily use with iPhone 11, carrying essentials on-the-go, traveling, wallet/clutch replacement. All Features: Multiple layers of our Signature Shielding Technology in the front cover block up to 99% of EMF & 5th Generation radiation (0-10 GHz) Detachable magnetic wallet case with 3 RFID-blocking credit card/ID slots Sleek, vegan leather outer material & textured microfiber interior.