MIKASA Training Medicine 270g College High School and Junior High School Recommended Internal Pressure Volleyball, No. 4, (for Adults, Students,

Training ball (size: No. 4, weight: No. 5) Training ball No. 4 (for adults, college students, high school students, and junior high school students) Size: Diameter approx. 20cm, Weight: 240-260g, Recommended internal pressure: 0.30kgf/㎠, Material: Artificial leather, Made in China A must-see for those who want to improve their serving and receiving skills! For basic core training and muscle building! To acquire the correct skills for the future. Category: Unisex/Youth Release year/model year: 2021