The hard case is intended for Uvex sunglasses. The length fits perfectly, the height could be somewhat lower. But other cases are worse. The other already described ribbing on the right and left edges, instead of a continuous smooth (beautiful) surface, the product does not beautiful.
How far the folding mechanism holds must show over the summer through. The protection of sunglasses against destruction in the in any case, even if the external form comes very clunky.