COMFORT: Ice-silk material breathable fabric our running armbands can wrap your arm to ensure firm grip without feeling too tight. CONVENIENCE: This phone holder for running is also useful for traveling or attending concerts and sporting events. The reinforced headphone hole design allows you to move freely. SAFETY: The unique reflective logo design allows you to pass unimpededly at night and protect personal safety. CAPACITY: Phone Strap Armband Fits iPhone and Android and all samll carryings. FASHION: This stylish design is more attractive by all defferent people.