1. Made of durable polyester material that attaches to collar or harness. A built-in extender prevents dogs from pulling. 2. Pocket storage, user-friendly design, middle main bag, double side bags. Can accommodate small items such as mobile phones, keys and change. 3. With a belt, our hands are free. We can enjoy jogging, walking, reading or using phones with our dogs nearby. 4,With a reflective strap on the waist bag, it is safer to run at night 5,Waterproof and durable, specially designed for outdoor activities. Allow us to place our phones, keys, water bottles and things for our dogs, such as dog poop bags and dog food. There is also a headphone hole for listening to music while running. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.