High Quality MaterialThe anti theft bag exterior is made of premium nylon fabric, and the interior is made of polyester, which is waterproof and scratch-resistant, and the zipper is smooth and durable. Suitable SizeThe chest bag providing enough space to store your daily necessity such as a phone, wallet, sunglasses, keys, and more. You can adjust the strap to your liking. Pockets DesignThe anti theft crossbody bag contains a main pocket, an interior patch pocket, and three exterior zipper pockets to store your essentials in an organized manner. Ergonomic designErgonomic design makes the weight evenly distributed and firmly attached to your body without any discomfort. No matter what you do-walk, sit, stand up, tilt gently, etc. it will not slide to one side. Multi-functionalWhen hiking, mountaineering, cycling, walking, etc. in leisure and daily life, it can be used as anti theft sling bag, crossbody bag, shoulder bag, closet personal flex bag, travel bag, outdoor sports bag.