I've used it a few times. I think it's still in beautiful condition. The size is size 18. 【Rare Metal Tungsten that Shines Like a Mirror】Tungsten, a rare metal (precious metal) with a hardness second only to diamond. Not only is it scratch-resistant, but it also has a unique shine with depth like a mirror, and the multi-faceted design sparkles on your fingers every time it moves. In addition, it has the same specific gravity as gold, resulting in a ring with a strong presence. Color: Black Size: 18