waterproof iphone 4/4S armband case, sport case ,arm belt case ,arm belt case Portable cell Phone Arm Strap Neoprene Material Waterproof Adjustablewith client's requested printed logowelcome yr OEM designusage:Promotion, Business Gift, Daily Use for mobile, key, Office and School Supplies. MOQ:100pcsPayment term:30% deposit,balance before delivery outShipping method:internation express(DHL,FEDEX, ...