These are extremely thick. Celluloid material. Maximum impact. They have a strong presence. Sharp edges. I bought these because I wanted them, but they don't suit me, so I'm selling part of my collection. However, I'm still hesitant to sell them, so if they don't sell, I'll put them back in my collection. Please understand that these are used items. I will not respond to requests for price reductions, so please refrain from commenting. If you have any questions, please ask, and I will respond as quickly as possible. This is a personal sale, so I may not be able to answer highly technical questions. These do not come with a dedicated case, so I will provide a different case. Oliver Peoples, Kaneko Optical, MOSCOT, TAIHACHIRO Kinsei, EFFECTOR Tom Ford, Thom Browne, Alain Mikli, Persol, Hakusan Megane Kuboraum, FACTORY900, GLAD HAND, GLAD HAND × BLACK CARAVAN DEAR FROM "CORE" TSUNE, Oliver Goldsmith