Categories: elastic ball ProductSpecification: 25 * 22 * 8.5 cmAge: children Apply (years old 3-6)、 young (7 to 14 years of age)、 youth (15 to years old)、 middle-aged (36-60)、 (years old)、 elderly (61 +)、 (+)、 (+)、 (35 +)、 (+).Red blue、 Colors:Instructions for use: Inflatable