Stones are light brown, dark brown, gray and black. These are imitation stones for outdoor fireplaces and firepits. They are light weight ceramic fiber, gel cast and designed to take on outdoor elements. Each set comes with a 84 piece assortment of large & small stones (large pieces 4 1/2", small pieces 2 1/2"). One set is 1/2 cu. ft. (15 lbs). Shipping is free, however we ship only within the continental United States.