Thank you for viewing! I purchased this after seeing it introduced by a shop staff member at TODAYFUL. The designer seems to have been a former TODAYFUL staff member. I think it's especially perfect for those who like TODAYFUL and Anouk. The black parts are onyx, and the silver parts are sterling silver 925. Originally, these were sold separately, but I thought the two stacked together looked cute, as shown in the photos, so I bought them together. I wore them continuously as skin jewelry for about a month. There is no damage or dirt, but please forgive some slight signs of use. Thank you for your consideration.