This is a set of 8 MIKASA Smile Volleyballs for lessons. Lesson Volleyball [SV5-210, tax included: 2,640 yen] x 4 Lesson Volleyball [SV4-210, tax included: 2,640 yen] x 2 Lesson Volleyball [SV4-240, tax included: 2,640 yen] x 2 Total: 21,120 yen These Smile Balls have a weight that provides a good feel. Used once at an event. Suitable for practice and recreation.