If you watched my YouTube Channel I make type of coasters. You can find the video The Making of Coasters. Each has a coat of resin that can handle hot and cold drinks. These make fir wonderful gifts for others or yourself. Each has a cork backing and they are very durable. Price includes free shipping within the United States. Have a set of colors you would like please contact me and we can arrange commission set. Each coaster is 4’x4″ and each unique using the same colors.