The Mueller Rosin Bag, also know as pitcher’s bag contains powdered rosin in handy pocket-sized bags helps improve grip on baseballs. Rosin is a grip improving powder for use to improve traction. It can be used on hands, soles of shoes and on sports equipment such as baseball and softball bats, cricket and racquet sport handles. This is a very effective blend of rock rosin and magnesium carbonate and is an alternative to grip enhancing sprays and waxes.
Powdered rosin is used by aerialists, athletes, dancers and gymnasts to help improve their grip during exercise.
One Mueller Rosin Bag contains approximately 2 oz of powdered rosin.