Unique and bold, the Natural Agate Coaster Set is sure to catch your eye. Agate rocks are about overall harmony and balance. Agate vibrations give strength and stability. The agate coaster set comes in a natural which will enhance your indoor or outdoor table setting. Each agate coaster will vary slightly in size, overall characteristics and raw edges. Coasters measure between 3 to 5.5 inches diameter and come in a set of 4. Hand cut in Brazil from rough agate.