G4Free RFID Sling Bag Crossbody Backpack Small Chest Shoulder Bag Hiking OutdoorNylon Imported RFID Protection: Back hidden RFID signal blocking pocket, to protect your ID card, bank card, or phone from getting scanned and stolen. And protect your information security in public places Multifunctional Pocket: 0. 27 kg. The size of the sling bag is 7. 5 x 4 x 15 inches, good enough to accommodate the items you need. A hidden security pocket on the padded back can hold your passport. 2 side pockets fit a water bottle or folding