Upgraded Version 【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 【User-friendly Front Pocket】The crossbody bag has a mesh front pocket, elastic and breathable, can hold a towel or a water cup, very easy to access. The elastic drawstring with reflective light keeps the contents of the pocket from falling out 【Superior Material】The G4Free sling bag is made of water-resistant and tear-resistant fabric, very lightweight and durable. There are breathable padding on the back and shoulder strap, making it very comfortable to wear. And the two-way SBS zipper is smooth and you can easily open it 【Keep Everything in Order】Dimension: 3.9×7.8×14.5 inches / 10×20×37 cm. This sling bag has a main zippered pocket with 2 compartments. It also includes a detachable reflective keychain allowing you to swiftly clip and locate your keys without any hassle. Additionally, the top of the bag features a concealed earphone hole, ensuring convenient access to your earphones, so you can enjoy music on the go, wherever and whenever you please 【Adjustable Reversible Shoulder Strap】 Designed with 2 D-rings on the lower part, the adjustable shoulder strap can be connected with the left or right D-ring for your preference, so that it is convenient to wear on your left or right shoulder. The shoulder strap pouch is 7 x 3 x 19 cm (L x W x H), it hold the phone screen size under 7 inches easily. Shoulder strap can be adjusted from 23.6" to 42"