This pendant is made of pink borosilicate glass and measures 35mm in diameter. While it looks like a simple flower pendant, the inside layer of petals rotate spin, which is why it is called a "Spinner." This design was created by Mars Glass, a local female glass artist. It's a beautiful piece of wearable art that is a perfect addition to your jewelry collection, and it makes a great gift for any special occasion. The petals spin in the light, giving it an eye-catching glimmer. Get this one of a kind piece now! You won't be disappointed.