This phone holder is made from PC, ABS and fabric strap, combining strength and flexibility for long-lasting performance. It is designed as an armband for hands-free use during physical activities. The 360-degree rotatable mount allows for adjustable phone orientation, and the knob lock secures the phone with a simple twist. The holder provides full access to all touchscreen functionalities and buttons, and is suitable for mobile phones with sizes between 4-7 inches and widths between 63-93mm.