Material: Faux suede Thermo PU Feature: Three pocket RFID smartphone wallet RFID pocket protects the integrity of your electronic personal data on credit cards etc Each pocket holds approx 1 card Includes removable 3M™ adhesive back for placement on back of smartphone, cell phone or mobile device RFID = Radio Frequency Identification Product Size: 2.55" w x 4.3" h x 0.15" d