This RFID Data Blocking Phone Wallet features special technology designed to keep credit card and ID information safe and secure and prevent identity theft. The 3 5/8" high x 2 1/2" wide wallet is made of PET outer material with an aluminum inside and adheres to the back of a cell phone with strong (yet removable) adhesive. Equipped with Radio Frequency Identification technology, the wallet is designed to block data transfer between the wallet and special identity-theft data readers that criminals often use. Just place credit cards and IDs with radio chips inside to prevent cyber hackers from stealing information. Available in a variety of colors, the phone wallet comes with your choice of one-color imprint, so you can customize it for your school or special event. Stock it in your school store or hand it out as a unique Prom or Homecoming favor to help your students keep their private information safe and secure.