Catalogue information
Official game ball of Major League Baseball. Rawlings is the official supplier to the Major League. Circumference ball: approx. 23 cm. Dimensions display box: 8 x 8 x 8 cm. Note: A baseball is made of leather on the outside (or plastic on non-official balls). The core is made of rubber or cork. Wool and cotton are wound around this core, respectively for resilience and strength. A thin layer of rubber glue has been applied around this and the leather skin goes over it. A good baseball is made of horse leather because it does not stretch. The weight of the ball is between 141.7 g (5 ounces) and 148.8 g (5 1/4 ounces). The circumference is between 22.9 and 23.5 cm (9 and 9 1/4 inches).
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