Feature●Weight (1 piece): Approx. 5.3 oz (150 g)●Diameter (1 piece): Approx. 3.5 inches (9 cm)●Material: Surface: Natural rubber, Core: Polyurethane●Color: Yellow●NPO Corporation Japan T-Ball Association Official Product●Recommended by the Japan Recreation Association●Recommended by the National Association of elementary school athletic research federation●Used by elementary school tee-ball championshipsDescription
Used by elementary school tee-ball championships