Feature●Rubber Balls, Leather Ball Non-Slip●Weight: Approx. 2.5 oz (70 g) per piece●Materials: Magnesium Carbonate, Calcium Carbonate, Pinecone●Color: Bag/White. Powder/White●Box of 12Description
Baseball/Softball Non-Slip
Rosin bag made by ball maker
Great for rubber balls
Made in Japan.
Can also be used to prevent bats from slipping.