Geode Coasters are one of our most purchased items!
4 come in a set, the acrylic is 1/8" thick and 3.5-4.5" in diameter 
each of the 4 are lighly different in shape.
The Acrylic comes with a light protective blue film that will need to be peeled off before using.
The set has a hole in the middle of each coaster to fill with larger diameter gems or leave open.
 
Perfect for epoxy or ShimmerINKS.