FEATURES FID Blocking Designhe sling bag with a back-hidden RFID signal-blocking pocket protects your ID card, bank card, or phone from getting scanned and stolen. And protect your information security in public places. SB Charger Port & Headphone Holeou can connect your own power bank inside with your own charging cable through the USB charging port. And there is a hidden earphone hole on the front of the crossbody sling backpack, which makes it convenient to enjoy music even while charging and walking. ightweight and with Multifunctional Pockethis is a small but spacious shoulder bag, only 9oz, which whole size is 7 x 3 x14 inches (L x W x H), including the main pocket, front zippered pocket and buckle pocket, can hold mobile phones, iPads, passports, wallets, keys, etc. Find what you want quickly and easily. ater-resistant Fabric and Adjustable Shoulder Strapur chest bag is well constructed of high-quality nylon material, which is strong, sturdy, water-resistant and anti-scratch. Designed with one right / left easily switchable and adjustable padded strap and breathable back pad for your comfort. A suitable crossbody bag for men and women. fter-sales Guaranteehis compact shoulder sling backpack will be durable for a lifetime, if you have any problem with the items you purchased, please do not hesitate to contact us with your order ID. We will reply and address your issue within 24 hours, so please buy with confidence.