Marucci Pro Rosin Bag
The Marucci Pro Rosin Bag contains 100% genuine rock rosin and is used by pitchers and hitters to improve their grip. A professionally inspired cloth sock holds the rosin for use on the +pitchers mound or in the on deck circle.
- 100% geniune rock rosin
- Large, professionally inspired cloth sock
- Recommended for pitchers and hitters for enhanced grip