Rainbow Putty-Medium, Green

Promote hand-muscle strength and increase endurance. Exercising with Rainbow™ Exercise Putty helps promote increased range of motion, finger-flexion and tendon-gliding. Traditional color-system associates resistance levels with color. Composed of silicon rubber. The smaller portion cups are perfect for most small and medium sized hands. Not made with natural rubber latex. Note: The 3 oz size is our most-popular of all sizes. 3 ounces of Norco Exercise Putty is equivalent to 90cc of volume, which is the ideal amount for most hands - large or small.