I was a little skeptical given the low price but I'm very happy with it. It's a semi-rigid leather construction that offers good protection. It probably won't fully protect your frames from damage if you step on or sit on the hull, but I don't plan on being that lax. There is a closed cell foam liner that does a good job of holding and cushioning my prescription glasses, which I find provides adequate protection should I drop the case. It also prevents them from rattling around. It fits perfectly with my Versace Medium (53,17,140) full rim glasses. And apart from the fancy Versace gold hallmark, the case is much better than that of the famous Italian manufacturer. I didn't find the button closing as problematic as some reviewers.
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