CanDo Inflatable Exercise Jump Ball (16", 18", 20", OR 22") The CanDo Inflatable Exercise Jump Ball is a heavy-duty inflatable jump ball that is ideal for exercise activities, and a fun way to provide proprioceptive and vestibular stimulation. The ball has heavy-duty grip handles designed to give the user secure control at all times. Available in four sizes to fit almost every size child. Ball holds up to 300 pounds. Yellow - 16" / 40 cm Dimensions: 16" x 16" x 16" Weight: 2.0 lbs Weight Capacity: 300 lbs. Red - 18" / 45 cm Dimensions: 18" x 18" x 18" Weight: 2.0 lbs Weight Capacity: 300 lbs. Green - 20" / 50 cm Dimensions: 20" x 20" x 20" Weight: 3.0 lbs Weight Capacity: 300 lbs. Blue - 22" / 55 cm Dimensions: 22" x 22" x 22" Weight: 3.0 lbs Weight Capacity: 300 lbs.