PRODUCT DESCRIPTION Lumex Thera-Putty is a non-hardening silicone putty recommended for strengthening finger, hand, and forearm muscles. Available in 2 oz. and 4 oz. sizes and 5 color-coded densities: extra-soft, soft, soft-medium, medium-firm, and firm. Therapy putty is great for physical therapists, occupational therapists, surgical rehab, workouts, training, and much more. It's also great to help manage stress, adhd, sensory stimulation, and fidgeting. Keep it on hand in your desk, office, or classroom to use in place of a fidget ring, fidget band, or fidget band. A great stess reliever! Quality is the hallmark of all Lumex products. Trusted by healthcare professionals and end-users for over 50 years, Lumex features a full line of patient aids and specialty healthcare seating. MANUFACTURER CONTACT INFORMATION 1-678-291-3207