IMG_20180427_190309280_LL.jpg in Misc for your home 2 Posted January 28, 2019 · Report reply On 1/24/2019 at 5:05 PM, Jeff said: this is really cool but two questions, 1) what is this used for? I assume a coaster but otherwise I don't know 2) what is the outer ring made of? You are correct with your assumption. Before gifting it, I also stiched leather to the back of it. The outer ring is a stainless steel dreamcatcher ring I picked up at michaels. 3.5" diameter I believe.