WILD HEART Sports Chest Bag Waterproof Portable Tactical Chest Pack Multifunction Multifunctional Outdoor Tactical Chest Bag The tactical chest bag is made of waterproof material TPU through high-frequency voltage seamless technology, which is waterproof and wear-resistant The bag body zipper adopts an airtight and waterproof zipper. When sealed, it can be exposed to heavy rain for a long time and keep the contents of the bag dry. It can also be submerged underwater. The bag is equipped with H-shaped straps and shoulder straps, which can be carried on the shoulder, hung on the chest, tied around the waist, or hung on a backpack. It is suitable for many occasions. It is also a good choice for cycling. The shoulder straps are adjustable. The H-shaped straps and shoulder straps can be adjusted in length. The longest shoulder strap can be adjusted to 150CM. It is suitable for almost all body types. Whether it is a strong man or a plump woman, it can be worn comfortably Built-in two removable inner bags for easy placement of items in layers for easy access