Exercise putty is used for hand therapy and to strengthen hand grasp. Scented Theraputty® hand exercise material makes hand therapy more pleasant for youngsters. Using scented putty is a fun way for children to develop grip strength and stay attentive and participate. Tan (vanilla) is xx-light, yellow (banana) is x-light, red (cherry) is light, green (apple) is medium. 2 oz - Banana - Yellow - X-Soft