Keep it neat and organised with the lined CORE SPORTS BAG. This perfect sized sports holdall has it all, including both shoulder and hand straps, inside and end zip pockets, and an eye-catching hummel® insignia, plus a base stabiliser to maintain its shape no matter what the load. Extra Small: maximum weight of 4KG with a volume of 20 litres. Small: maximum weight of 6KG with a volume of 31 litres. Medium: maximum weight of 9KG with a volume of 45 litres. Large: maximum weight of 12KG with a volume of 69 litres.