1. Product Dimensions: 12.5 cm × 15 cm 2. Colors: Black, Blue, Pink 3. Materials: Polyester, Spandex 4. Package Contents: 1 mobile phone armband Product Features: 1. High - quality Materials: Made of quick - drying and breathable Lycra fabric, it is elastic, lightweight and easy to wear. It can hold your phone, keys, cash, credit cards and other essentials you may need. It is convenient to access, firmly fixed without pinching your hands and non - slip. 2. Comfortable to Wear: It is easy to put on, fits the body and is lightweight. It is comfortable to wear with no irritation and causes no interference. It won't rub against your skin during sports. When doing sports activities, you don't need to readjust it or worry about it slipping off. 3. Wide Range of Applicable Scenarios: Designed specifically for gym workouts, sports, cycling, walking, jogging, traveling, outdoor sports, etc. This armband is perfect for you. It is so light that you can hardly feel its presence. It is very suitable for walking while enjoying music with your hands free. If you like night running, this armband is exactly what you need. It has large reflective strips to keep you safe and visible at night. 4. Compatible with All Sizes of Phones: Thanks to the elastic spandex material, this armband has enough space to store your phone. Besides the phone, it can even hold more things. It is an ideal small bag for keys, wallets, money and other items. Now you don't have to worry about your items during activities anymore. 5. Machine - washable: Don't keep using the same dirty armband after every run or workout. This armband is machine - washable. Just seal the Velcro strap that holds the phone and then put it in the washing machine.