Functional features: The jumping bag can help children overcome the lack of body sense and tactile sensitivity or deficiency by jumping back and forth and left and right in the jumping bag. Promote the stretching and activation of children's whole body muscles, especially for children's waist, abdomen and limb strength. At the same time, it can promote the blood circulation of the whole body, enhance children's physique and improve children's immunity. Jumping belt size: 80cm, 120cm; Material: Oxford cloth!