Multifunctional and practical chest bag. Made of wear-resistant, waterproof and scratch-resistant fabric. The overall size of the bag is 17*6*30CM. It has various wearing methods. Lightweight and without burden. Reasonable storage makes it more capacious. Equipped with a USB interface, so there is no need to worry about mobile phone charging. The honeycomb back is soft and comfortable. No stuffy sweat even after long-term wearing. There are three colors to choose from. It can also be customized according to customer needs.