waterproof iphone 4/4S armband case, sport case ,arm belt case ,arm belt case Portable cell Phone Arm Strap Neoprene Material ... TNT,UPS,EMS,STL),by sea or by air1.Made of top grade light weighted neoprene material,soft ... ,anti-collision,washable.2.Special designed,compatible to iPhone 3G/3GS/4S.3.Flexible magic paste is ... .5.OEM,ODM are welcomed. running armband case for IPHONE 4G/4S,with custom logo