It is perfect fit with the men and women whom excerise with a Smart phone size below 6.0 IN.It made of high quality lightweight soft neoprene, flexible, portable, don’t interflect with your action when you are excerise, jogging, running, cross training, hiking, biking, gym, etc.This armband is an adjustable strap armband, will fit almost arm size up to 16- . Workout armband for samsung galaxy S3 S4, Phone 8, 7, 7 Plus, 6 Plus and etc.This Smart Phone running armband can protect you phone screen, prevent sweat/water, it is a great partent for outdoor/indoor sports. Secure Key Holder is perfect fit for House/Car Key, Avoid to carry key or lost it when you running.