CanDo Theraputty by By Roscoe Medical is an exercise material has become the standard in resistive hand exercise material. Each color-coded putty has a different consistency ranging from extra soft for strengthening a weak hand grasp, to extra-firm for developing a stronger grip. Used for progressive resistance hand exercise program, color coded resistance levels ranging from extra-soft for weak grasp to firm for moderate grip, available in convenient easy-to-open 2 oz plastic containers, made with gluten, latex and casein free material.Product Specifications• The standard in resistive hand exercise material• Each color-coded putty has a different consistency• Used for progressive resistance hand exercise program• Available in convenient easy-to-open 2 oz plastic containers• Made with gluten, latex and casein free material.