felt rocks are sculptural pieces, made from 100% pure wool felt - solid all the way through! felt rocks are sold in sets of 6 hand selected rocks, including one rock that has been split in half to reveal the solid wool interior. The felt rocks are packaged in a natural wool felt bag that can be re-purposed as a fashionable and useful hand bag. The rocks vary in shape in size, but average about 4-6 inches across.