Filled with a non-toxic silica gel that remains pliable throughout treatment. Delivers up to 30 minutes of soothing relief from acute pain, swelling and fever.

Blue vinyl Hydrocollator ColPaCs ensure effective cold therapy. Chill the Colpac below freezing and it still remains flexible to contour to the shape of your body. ColPaCs are most serviceable when kept in a freezer set at 12 F (-11 C).