About this item Jumping body movement! Also applies to body movements that do not exercise, momentary power, jumping and splashing sense of balance. It is also effective for children's motor nerve development and adult diet. Product size: (approx.) diameter 103 x height 20 cm, dimensions when mounting armrests: (approximately) 92 cm x 97 cm Product weight: (about) 13.5 kg, load: 150 kg Color: Black × Red Including: subject, product specification.