Brunswick Bowling Ball - Columbia 300 White Dot Pre-Drilled Bowling Ball for Adults (Black/Purple/Silver) | Perfect for League Play & Practice Sessions" 或 "Columbia 300 White Dot Bowling Ball by Brunswick - Pre-Drilled for Right/Left Handers (Black/Purple/Silver) | Ideal for Beginners & Casual Bowlers" （注：根据实际产品特性选择适合的版本）

This bowling ball ships PRE-DRILLED. There are 5 sizes and the sizes that we drill are based on the weight of the ball. X-Small: 6lbs- Ages 8 and under, Small: 8lbs and 9lbs- Ages 8-11 and womens ring size from 8-11, Medium: 10lbs, 11lbs, and 12lbs, Ages 11-15 and Adult Ring size 10 or lower, Large: 13lbs and 14lbs, Mens ring size 10-12 or people with larger hands, X-Large: 15lbs and 16lbs, Mens ring size over 13 or people with extremely large hands. For over 40 years, Columbia 300's White Dots have been setting the standard of quality and are now available in three new exciting colors. With the Columbia 300 White Dot, bowling has never been more fun! For Price and Quality, Nothing Beats the Dot. Period. Great choice for children, beginners or spare shooting.