Our Cell Phone Running Armband's material is ABS and aluminum, size is 3.9 Hx3.3" W. The qty above 500 pcs includes the shipping cost via sea to your door in USA mainland. Support customized your logo.Grow your business by introducing clients to this sport armband case!Grip with compatible keeps the band firmly on your arm during at gym, workouts and running. Compatible with all smartphone models that fit the interior size. It can be used when you're exercising. Perfect for jogging and other outdoor activities walking shin bicycle.