Purple butterflies have become internationally recognized as the symbol for Chronic Pain Disorders such as Fibromyalgia, Lupus, and other invisible illnesses
This 4" x 3.25" rubber coaster (heart shape) 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.