The Rawlings Rock Rosin Bag is design specifically for the pitcher's mound or on-deck circle. This 100% genuine rock rosin comes in a big, professional-style cloth bag. This Rosin will most definitely enhance a tacky grip. The rocks can be crushed into powder by placing the bag on the ground and tapping it with the end of a baseball bat.

• 100% genuine rock rosin in a big, professional-style cloth bag
• Professional grip aid for pitcher's mound or on-deck circle
• Clever design is easy to store with even powder dispersal
• Provides a better grip on all your gear
• Elevate your game and maximize your potential with this dry grip