Karnen Terrace of what was once a glorious castle from the 1100s in downtown Helsingborg, Sweden. I took this shot in 2008.
This 3.5" x 3.5" square rubber coaster is made of a durable heat-resistant polyester fabric top, backed with a neoprene rubber non-slip backing, keeps things from sliding. The rubber coaster is 1/8" thick. It will not discolor or fade, machine washable.