Synthetic cover, yellow stitching. As you train, gradually increase the weight of the ball as you build strength in your throwing arm.
Color coded cover indicates the ball weight. Weighted baseballs are 9'' circumference with varying weights. (Size of regulation baseballs are 9'' and 5 oz.)

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.9 inch
Height : 2.8 inch
Length : 3 inch

Item Weight: 5.6 ounce (View shipping rates and policies)
Shipping Weight: 8.8 ounce (View shipping rates and policies)

ASIN : B002N6LVSO