• Water-resistant neoprene and PVC screen protector protect your smartphone from scratches, dirt and sweat in outdoors, installed in seconds. Designed to twist and bend but will not lose the original shape.
• Adjustable Velcro band supports a wide range of arm girth from 10" (25.4cm) to 15" (38.1cm). Adjustable velcro strap protects and stabilizes device without slipping or constricting.
• The reflective strip circled around the screen window,keeps you noticeable when running in low light scenario. Fits devices from small as iPhone 5/5S/SE to as large as Galaxy Note 9.