Therapy putty Includes: four (4) variable resistance containers each with 3-oz of putty | Industry standard resistances include: Yellow (x-soft), Red (Soft), Green (Medium), Blue (Firm) | Made with high quality silicone putty. 3Oz/container. $1.16/ounce. | Putty is non-toxic and unscented. Designed to increase flexibility, improve strength, decrease stiffness, and relieve joint pain. | Save 10% on your order when your purchase 2 or more packs!