Product description: Material: diving cloth Size: 10*18*3cm Color: black, fluorescent green Matching model reference: universal for mobile phones under 6.3 inches Package Content 2 * Outdoor Sports Arm Bag Original double-sided Velcro design, flexible adjustment of the elastic band length, further expanding the applicable arm circumference. For the remaining band, they are folded up so that your arms are not uncomfortable during exercise. The sports armband has two separate pockets that securely hold and transport your cellphones, keys, credit cards and other items and protect the screen from scratches. The large capacity allows you to store your private belongings while exercising. Made from comfortable, lightweight, water and sweat resistant fabric. High-quality materials keep your arm skin breathable and keep your phone dry when you exercise.