BM25 Baby Marble DK (25 ratings) 100g Ball £2.55 Unfortunately this item is out of stock. This is a 100g ball of Baby Marble DK by James C Brett. The colour code is BM25. It is a mixture of blues & greens. It is 100% Premium Acrylic. Each ball measures approx 268 metres/ 293 yards. It is machine washable on a 30° wash.