The Fit-Advantage Collection, ultrathin clots to skin, built-in reflective strip for safe running in low light conditions. Perfect for taking pictures or videos, checking emails while maintaining full touch screen functionality. Offers dirtproof for your devices while you are running, boating, climbing, jogging, etc. Fully Adjustable: the provided nylon belt is strong to be used as arm strap, allows for easy carrying. Simple to Use: the phone directly into pouch allows for protecting your devices against the water, snow, dirt, dust, grease and scratches.