This Vintage Brunswick Bowling Ball Set includes a 9.5 size bowling ball with a weight of 13.5 lbs, along with a matching bag. Made of urethane material, this ten-pin bowling ball features a multicolor design and is suitable for use in the United States Bowling Congress (USBC) league. With a focus on high-quality construction and a classic look, this bowling ball set is perfect for avid bowlers looking to enhance their game with a reliable and stylish piece of equipment.