Bring on the stick without the ick! Annex Pro Rock Rosin Bag is 100% natural, non-toxic pine rosin. Rosin provides a dry, tacky, secure grip that is great for pitching and hitting and has been used for generations. Each rosin bag is tightly woven and clamp closed to release micro rosin dust on every slap to the bat, glove or hands. The rosin bag comes with a resealable poly pouch. This bag is specifically designed for any athlete needing a moisture wicking dry firm grip. Baseball, softball, bowling, tennis, pickleball, cricket, annex pro rock rosin will work for you!