SupCase LG G4 ArmBand
The ArmBand by SUPCASE is a case and arm band for fitness all in one for those who live an active livestyle. This is a typical lightweight TPU case, but also wraps around your arm for easy carrying while working out, running, or doing other activities.
The adjustable velcro fits small and large arms with bicep sizes 9"-21", so you can work out for hours with entertainment on the large 5.5-inch screen. It comes in black or pink, and is only $6.99