Tthe best choice for your daily use. Geanbun Sling Bag for Men Material: 90%Faux Leathero10%Nylon Size:(12.5"*6.5"* 3.5"),main zippered compartment is compatible with 9.7 inch ipad. Weight: Only 0.5kg (1lb). Capacity:enough space to hold water bottle, colthes, ipad,notebook,umbrella etc. Adjustable Strap：You can adjusted the length according to your needs. USB charging port design First, connect your own power bank with the built-in USB extension cable inside the chest bag. Second, make your external USB cable connect with the external USB charging port, and then it can charge your cell phone or other electronic devices. (Note: power bank is not included.) Carrying handle and hanging strap design The flat carrying handle can be used to carry the sling bag with one hand, which is very strong and easy to carry. There is also a hanging strap on the side which can be used to hang it in the closet or other places with hooks for easy storage. Package contains instructions for combination lock [Password setting method] First dial the password roulette to 0-0-0. Then press the button with one hand and hold it still. Finally, dial the password to any three digits with the other hand. The password is set. [Method of resetting forgotten passwords] Place the password lock horizontally in strong light. At this point, move the three password roulette counterclockwise until three small holes appear and remain in the same direction. Finally, you only need to move each wheel to the right twice to reset the password.