Such a case would be interesting if it was water proof. As it is apparently it will seal out moisture, but may or may not protect your drive from a drop in the drink. I have a 320GB drive I bought a couple of years ago for $60. I’m not about to spend half that over again to protect it, especially since it rarely leaves my room. This should be an unnecessary. It would be more enticing with a high capacity drive if it were transported regularly.”]
Source: https://gizmodo.com/protect-your-external-hard-drive-from-lizards-and-dirt-5812806