Provides soothing relief from:Sore or aching musclesJoint stiffnessSwellingHead, neck and backachesToothachesBumps, bruises and abrasionsMinor burnsInsect bitesConvenient and easy to use:Heat the compress in your microwave for hot pain relief to help warm and loosen jointsPlace the compress in your freezer for cold pain relief to alleviate pain and swellingProduct Measures 13.0 cm X 10.7 cm X 3.8 cm (5.1" X 4.2" X 1.5")