Griffin (Griffin) by tangaroa (tangaroa) training ball. Grips are grain and coarse texture as the hand securely and fit most cases on the market. No. 2.5 is a low grades (1.2 Grader) is used in the new ball and OK in the size when not in use. No. 3 ball is a fourth lower grades (1.2 grade) to 中学年 (Grade 3.4) is used to size. No. 4 ball is a big kid (5.6 grade) is mainly used to size when not in use. Also, touch, etc. Used balls in this size when not in use. Size 5 ball is the ball and be of high school student – General Use. Various Official Game in Japan can be use without any worries. "Tangaroa" and has a living from old new zealand maori worshipping the god of the sea. Mythology and is a match ball that has the Ranginui child. As the mythological sea motif with a scalloped design. Perfect for serving practice, breaking in a ball and play from everyday?