The quad lock run kit iphone 6 is ideal for the person that has had enough of running with their phone in their pocket running or cycling this arm mounted phone holder is perfect for the active being keeping your phone secure and in an easy to reach place manufactured with a tough polycarbonate core with a durable tpu outer the quad lock case is built to stand up to every day use and abuse while always looking and performing at its best the soft inner tpu material makes it easy to install