MC71 Marble Chunky (50 ratings) 200g Ball £5.50 Unfortunately this item is out of stock. This is a 200g ball of Marble Chunky by James C Brett. The colour code is MC71. It is a mixture of greens & greys. It is 100% Premium Acrylic. Each ball measures approx 312 metres/341 yards. It is machine washable on a 30° wash.