TheraPearl Multi-Zone Compress consists of beads to support cold or heat treatment and efficiently relieve pain. TheraPearl technology offers flexibility and malleability, allowing for a perfect fit to the body. This compress is non-toxic and reusable, ideal for relieving muscle pain, lacerations, impact, arthritis or toothache. Contains a compress measuring 19.1 cm x 11.4 cm. Cold therapy: Place in the freezer for at least 2 hours. Heat Therapy: Microwave according to directions on package insert. The application should not exceed 20 minutes. Indication: To relieve muscle pain, lacerations, impact, arthritis or toothache.