Eastop Unisex New Fashion Titanium Steel Refinement Inner Wall Lettering Ring(diameter:18.2mm) Material: 316L titanium steel, bright feel strong. Waterproof, rust never fade. Inner ring light smooth design, smooth don't blow hand High-end polishing technology, smooth without sand holes It bring you good luck,you will like it,god bless you Thank you for taking time to visit my shop, hope can service for you,best wishes to you