This bullcaptain leather sling bag made from 100% genuine hand-crafted retro leather for soft and comfortable. Leather surface give user breathing touch.The lining was made of polyester, smooth and durable. This leather sling bag for men not only just practical - it's also incredibly stylish. The rich brown leather and minimalist design create an effortlessly cool look that's sure to turn heads. We wanted to make the casual daypack practical enough but at the same time very trendy.And with multiple compartments and pockets, you can keep your belongings organized and easily accessible. This vintage leather backpack is perfect for the stylish traditionalist with a taste for unique luxury and high quality craftsmanship.With its adjustable strap, you can wear it as a shoulder or crossbody bag, making it perfect for commuting, traveling, or outdoor activities. This leathe sling bag with USB charge port,and earphone hole - External USB with built-in charging cable offers a convenient charging of your electronic device anywhere, and this bag do not include a battery, you need a power bank to put inside bag.you can connect your phone, listen to your favorite music to and easily charge during outdoors and travel,while keeping your hands free. FEATURES Made from100% genuine hand-crafted retro leather Stitched by hand with tough nylon thread Adjustable/Detachable non slip shoulder strap– to wear it comfortable Premium hardware and zippers Color:Brown,Black,Yellow brown Brand :BULLCAPTAIN Structure:1 front magnetic pocket with a card holder,a front zipper pocket,a front diagonal zipper pocket,1 back zipper pocket,1 main pocket with earphone wire hole and a small zipper pocket Dimensions: 6.69cinch(L)x2.95inch(T) x 12.2inch(H)/17cm x 7.5cm x 31cm. Weight: Approximately 0.99lbs/0.45kg