These little cases are great and easy to use. They slide back and forth and are very small, so not very noticeable. The only issue I had was that if you have a lid like an Otterbox or Lifeguard, the tabs don't adhere well to the plastic shell. As long as your camera's grommet protrudes about 1/8-1/4" from the case, the tab can stick to your phone's glass. This works very well for privacy. I think this is best for full-face phones.
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