... ID cards, credit cards, etc. * Electronic devices: cell phones, digital cameras, laptop computers, GPS navigators, Mp3, Mp4, batteries, camcorder, DVR, ... water resistant, weather-proof, keeping the inside dry, floating in the water constantly; * Shockproof: features 3mmPE shockproof foam around ... shoulder straps, very easy to use; No shake in walking and exercising, close fitting with body, suitable ...