HHI S4 Sports Armband with Key Holder Pocket For Samsung Galaxy S4 BLACK. HHI S4 Armband Fits Small to Large Arm Sizes (Package include a HandHelditems Sketch Stylus Pen) Adjustable Armband: fits small to large arms. Flexible lightweight adjustable wrist/armband Built in key holder pocket. Perfect companion while you run, ride and lift Complete protection while inside the case jacket Transparent screen shield that covers the entire front of Samsung Galaxy S4 without hindering navigation Package include a HandHelditems universal Stylus pen features Soft foamy tip and a 3.5mm headphone jack insert so you never lose your stylus.