MIKASA Water Polo International Swimming Federation Official Ball Certification Ball 4 High Junior High School Foam Rubber WP440C Recommended Internal

International Swimming Federation official No. 4 ball For women, general public, working adults, universities, high schools, and junior high school boys Circumference 65~67, Weight 400~450, Recommended internal pressure 0.46-0.53kgf/㎠ foam rubber *This product will be shipped without air.