Squeeze-4-strength Therapy Putty Can Be Squeezed Stretched Twisted Or Pinched * An Excellent Therapy For Strengthening * Excellent For Hands And Even Feet * Nontoxic Clean Non-oily And Non-greasy * Will Not Leave Residue Or Stick To The Skin * Putty Color Reflects The Putty Strength From Xx-soft To Firm * Various Putty Colors Can Be Combined To Create A Custom Strength Program * Latex-free * Light Beige - Xx Soft Yellow - X-soft Red - Soft Dark Beige - Medium-soft Green - Medium Or Blue - Firm *