Set of two sponges, one round and one rectangle;Won't scratch chrome, copper, stainless steel, anodized surfaces, non-stick cookware, glass, crystal, porcelain, china, ceramics and so on;Cleans up big messes with little effort;Choose rings for desired thickness, place on any standard rolling pin (not included) and roll the dough;Made of durable and long lasting rubber; hand wash for care;Made in the USA