1. Upgraded Material The armband is made of upgraded material. The center is a high-density sponge, which greatly improves the comfort without any pinching, discomfort or chafing. Reflective Designed for people who like to run at night 2. Practical three-band design Three elastic bands to meet different arm circumferences. By adjusting the straps, the armband is firmly fixed in place without slipping. Easily put in or take out the phone without taking off the armband 3. Compatible with most people The armband is large enough and made of elastic material to fit any size of mobile phone. There is a small pocket inside, which is convenient for storing credit cards, banknotes and two commonly used keys 4. Liberate both arms The armband is a gift for sports enthusiasts. The armband is not only suitable for running. It is also very suitable for weightlifting; jogging; rock climbing; hiking; exercise; fitness; yoga; fitness; playing badminton, etc. 5. Larger Capacity The mobile phone armband has a larger capacity. The inner pocket is convenient for putting in or taking out items. The elastic material is also suitable for accommodating mobile phones of any size. The mobile phone holder is a must-have for outdoor activities.