Looks like a pin when you open it. I bent it to a square, add some natural color. You can rotate it from square to dimand. So light, so bright. -How to wear https://www.youtube.com/watch?v=OFDqxFzepVY&feature=youtu.be - Material : Sterling silver, green agate - Specification : Available in a pair - Package : Wrap in thick ziplock for jewelry - How you preserve silver : You can wear your piece in any occasion, like taking a shower, going swimming, except going to a hot spring. The more you wear it, the more it gets shinier. Please preserve it in a ziplock. When the color turns black, use a silver polishing cloth or toothpaste to polish it.