iGK Premium Water Resistant Sports Armband for iPhone 7/7S/6S/6/5S/5/5C/4/4S with Dual Arm-Size Slots and Key Holder (Black,Neoprene+Polyester) iGK armband is perfectly fit for iPhone 6/6s (4.7"), Also fits for iPhone 5s/5/5c/4/4 and other cellphones which their screen is smaller than 4.7" Arm-size: igk adjustable velcro band supports a wide range of arm girth from 10.8" To 16.5" Quality material: iGK armband is made of the highest quality soft neoprene that is made to flex, twist and bend but not stretch out of shape Safety features: built-in hidden key holder, there is no need to worry about carrying keys in your pocket or losing them when you exercise