The WaterGuard Waterproof Case^TM ( for Sony Reader Digital Book PRS-500 PRS-700BC PRS-505)  guards against any wet environment that Sony Reader  might be exposed to. It is a perfect companion when you bring your Sony Reader for beach reading. It provides great protection when you get stuck in a rainstorm or accidentally drop you bag in a wet surface. When using the WaterGuard case, the  Sony Reader with cover can be slipped directly into the WaterGuard pocket and the transparent surface provides easy interaction with the keyboard and navigation buttons.  Please note that the two buttons at the top are either yellow or white. We will ship what we have in the stock.