The Brunswick Fun & Flames Grip Sack can make a big difference in your performance. It's a stylish and useful item to keep your hands dry and ready for action. It contributes to an excellent grip on the bowling ball, which means more control and a better overall roll. The spacious rectangular design makes it comfortable to hold, and its material lets this sack absorb perspiration very effectively. It even comes in assorted designs, so you have plenty of stylish options to choose from.