The Vintage Drilled Columbia 300 Yellow Dot Bowling Ball is a high-performance ten-pin bowling ball made of soft polyester formula coverstock with a dense polyester or urethane-based filler material core. It is designed for any lane condition and features a high polished finish for optimal performance on the bowling alley. This 15 lb bowling ball, featuring a vintage design and the trusted Columbia 300 brand, is a perfect choice for bowling enthusiasts looking for a high-quality and retro-styled piece to enhance their game.