Therapy Putty Color Green Firmness Medium Size 5 lbs. UNSPSC Code 42251608 Anti-microbial additive resists growth of odor-causing microbes Anti-microbial Theraputty material retains the clean, non-greasy feel of original Theraputty 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