The textured surface of the Massage Ball is suitable for rehabilitation, gymnastics and massages. It helps relax and stimulates muscles. The pimpled surface stimulate touch. Massage Ball is suitable for rehabilitation, gymnastics, and massages.It is designed especially for children to learn how to sit and lie on the ball and strengthen their sense of balance. Sensory enhancement. Improve whole body movement and balance co-ordination.   Dimension: Ø 75 cm Materials include: Phthalates Free PVC