Running and Exercise Workout Armband Case for LG G6 G5 and K10 Mobile Cell Phones with Adjustable Sport Band, Reflective Border, Touch Screen Protection and Key Holder (Black) COMPATIBILITY - Compatible with the LG G6, G5, and K10 phones up to 5.91 x 3.23 x.33 inches. This armband fits various arm sizes from 9 to 15 inches. An extender is available for larger arm sizes and is sold separately. USE - Enjoy full touch-screen control with easy access to your headphone jack and a slot for your house key. DESIGN - Our premium armbands are designed to deliver a stable comfortable fit. Unlike lower quality armbands, this band includes a wing band design which provides wider arm surface area coverage for added support. It also features an extra long hook and loop fastener which provides a more secure attachment. This ensures support for the toughest workouts from running and weight lifting to casual walking. PREMIUM MATERIALS - This adjustable armband is made of a combination of thick high quality lycra / neoprene which delivers an uber soft comfortable fit along with moisture resistant qualities. SAFETY - This armband features a thick reflective strip which borders the phone for increased visilibility in low light conditions. This is ideal for outdoor running at dawn or after dark.