These hand-crafted coasters are completely unique and one of a kind so no two are alike. They were created with various resin colors as well as varying arrowhead sizes and colors. Thickness in each coaster may vary but the diameter for each coaster is around 3.75 inches to 4 inches. A perfect addition to any side table with fun colors and interesting designs! Each coaster sold will be random, photos are to show an idea of what is available and what you may receive. This set in particular has varying glitters, designs, and arrowheads.