CanDo® Theraputty® hand exercise putty is the standard in resistive hand exercise material. Each color-coded putty has a different consistency ranging from xx-soft for strengthening the weakest grasp to extra-firm for developing a stronger grip. This red theraputty is available in a convenient easy-to-open plastic container for individual patients to use at home. CanDo® Theraputty® material is gluten, latex and casein free.