The overboard waterproof arm pack is the perfect way to take your phone keys cash and credit cards with you and protect them on the water or during other sports activities like running no matter how wet things get our trusty slide seal systemtrade keeps the arm pouch 100 waterproof and protects contents from sand dirt and dust as well you can wear it like an arm wallet with the comfortable neoprene hook and loop sports arm strap or around your neck with the supplied lanyard donrsquo