In addition to being lightweight, this ball also has the biggest advantage that it is very soft, and it can be concave a lot when pinched by hand, and it feels very decompressive to pinch this ball by hand. It looks like it has many pores, and like foam, the ball is also very smooth, soft, and elastic. The elasticity of this ball is very good, it can bounce more than a meter high, and the elasticity is no less than that of an inflatable basketball. The feature of this ball is that it can be silenced, and the sound is particularly soft when playing indoors, so it will not disturb the rest of the family.