Your patients will like working with our Silk Putty, because it won't stick to their skin or get under their fingernails. It feels light and silky, never greasy or tacky. These characteristics make for a pleasant patient experience, which can lead to better compliance, better results. Silk Putty is ideal for hand strengthening, arthritis and post-surgical exercises. It maintains an even resistance when being pinched and squeezed during hand exercises. Latex free.