Running Arm Bag

 Features:    - High-quality nylon material, good durability and water resistance.- A hole on top of the bag for earphone line, you can enjoy music freely without line tangle.- Bright color, not easy to fade, smooth surface, abrasive resistance.   - Dual layer design, allows you to accommodate your cell phone, cigarette, cash, keys, wallet, MP3, etc.   - Flexible and lightweight, providing full protection to your phones within 6 inches.   - Elastic strap, arm circumference less than 40cm / 15.75 inches.    - Suitable for running, hiking, cycling, jogging, fitness, applicable in all outdoor sports.