Rubber Round Coaster 4 Pack of Green Shamrock (Celtic, Club, Gold, Irish, Ireland, Little, Charm, Cross, Four Leaf Clover, Jewelry, Necklace, Pendant, Ring, Tattoo, Diamond, Designs, Charm, Lucky, Luck)

These round rubber coasters are made of a durable heat-resistant polyester fabric top, backed with a neoprene rubber non-slip backing, that keeps things from sliding. They measure 3.5" in diameter, and are 1/8" thick. They will not discolor or fade, and are machine washable.