... 1.Heat in microwave for hot compress 2.Keep in freezer for cold compresss 3.Reusable 4. non-toxic,6P hot cold pack ... 1) Applications:a) Can be used as hot ... applications, heatstroke, itching, headaches, muscle strain, scalds and fatigueh) Hot compress: alleviate rheumatic pain, muscular pain, sciatica, back pain andpost ...