CanDo WaTE Ball - Hand-held Size, 5" (13 cm)Diameter

The color coded weighted balls are small enough and flexible enough to grasp with one hand, yet big enough to hold with two hands. Available in 6 weights ranging from 1.1 pounds through 6.6 pounds (0.5 kg to 3 kg.) while maintaining a constant 5" (12.7 cm) diameter. Balls are soft and comfortably conform to your grasp. Use a bicycle pump to inflate/deflate  to make ball harder/easier to grasp.