Now there's a convenient color-coded exercise putty. OPTP's Resistive Exercise Putty is made from a new, non-hardening silicone formula that won't leave a greasy residue on your hands. OPTP's Resistive Exercise Putty is manufactured to the highest quality standards for controlled, consistent density. Comes in 3-ounce air-tight resealable containers.

Non-returnable.

Please use with care around fabrics as colors can stain.