DaffoGreen Hands & Fingers Exercise Medical Transparent Silicone Putty for Hands Fingers Exercise,Recovery, Occupational Therapy, Rehabilitation, Strength Training 5 Color Coded, 4 Ounce/per color , Total 16 OunceVery Soft, Soft, Medium, Hard, Very Hard – 5 Resistance Levels.Our putty is produced by Health Certified ISO 9001 factory in Taiwan.This Medical Grade Transparent Silicone can be squeezed, twisted and pinched to strengthen muscles in the user’s fingers, hands, toes, and feet.Available in 5 resistance levels, Very Soft,Soft, Medium, Hard, Very Hard For physical therapy hand recovery, rehabilitation, pre-surgery, and post-surgery strengthening and recovery strength training, occupational therapy, arthritis.Easy-to-open boxes.Our material is non-toxic, super clean, non-oily, unscented and latex – freePacked by Individual storage food grade boxBig Saving :Buy one get one, you will receive two boxes