Fabulous one-of-a-kind sensory Gel Fidget Ball that is covered in a silky soft, smooth neoprene skin that provides wonderfully calming, tactile input! Firmer than most of our other tactile fidget balls, this unique stress-busting sensory ball provides a great finger workout! A perfect 2-1/2" palm size. This extraordinary Neoprene Stress Gel Fidget Ball is designed for older children-adults.