G4Free Sling Bag RFID Blocking Sling Backpack Crossbody Chest Bag Daypack for Hiking Travel(Dark Blue)RFID Blocking Design: Back hidden RFID signal blocking pocket(7. 5 X 8 inches), to protect your ID card, bank card, or phone from getting scanned and stolen. Protect your information security in public places Suitable Size: 3 main compartments in all, only 12oz. The middle zippered has 2 extra pouches, 2 pens pouches, and a key chain. The strap phone pocket size is: 3. 3x6. 5inch (WxL) with an earphone hole Reversible and Breathable: Designed with one