Air Putty is distinguished by its unique, velvety texture, the result of an innovative composition that eliminates the uncomfortable oily sensation associated with other therapy putties. The elastic putty won't stick to the skin or build up under the fingernails, and is designed to maintain its resistance even during pinching, squeezing, or other compressing manipulations.
A variety of lower resistance levels are available to suit the user's strength level and also act as a graduated path to enhance strength over time. Each resistance level is coded with its own color for easy differentiation; this also makes it easier to track a patient's progress. Air Putty can be used for everything from improving range of motion to enhancing motor skills.
U.S. Patent 5,6079,993