The product is a set of 9 used fast pitch softballs, with a size of 12 inches and made of synthetic leather with a red seam stitching method. The balls have a compression hardness of 300 and a COR of 0.52, suitable for league play. They are branded as 3N2 and are official USA Softball balls with a PU core. The balls feature a flat seam design and are ideal for practice and game use in softball.