Wonzone Multi-Functional Cross Body Chest Pack Hiking Cycling Bicycle Bag for Men & Women Material: waterproof Nylon high quality, wear-resisting and breathable Dimension: 15.4*7.1*3.9 Inch (H*L*W) Please kindly check the dimension carefully before purchasing. Adjustable strap Fashion outlook, comfortable to wear Suitable for various outdoor activities (hiking, running, traveling,ect)