1. You can enjoy hands-free training without bulky waist bags, backpacks or carry-on items. The lightweight and comfortable hydrating belt will not make you feel heavy when you run, and it is equipped with earphone slot, so you do not need to tangle.2. Designed for men and women of all sizes, the shoulder strap can be adjusted to achieve a true universal fit. It is easy to adjust the shoulder strap, so you can relax or comfort it according to your preferences.3. Store anything, even water bottles: The bag is suitable for the largest smart phone, plus your keys, wallet and credit card The bottle bag can hold up to 24 ounces of bottles. The shackle keeps it safe and therefore does not fall.4. Reflective quality: whether it is day or night, whether the weather is good or bad, safety should be guaranteed first. Our reflective materials can provide you with visibility under any conditions.5. Travel fan suit: Please keep your passport, cash and important personal belongings properly when traveling. From the airport to the hiking trail, this water replenishing belt can also ensure the safety of your goods from pickpockets.