Sell Rainbow Therapy Hot/Cold Pack (For Knee) best price

Rainbow Therapy Hot/Cold Pack (For Knee) Microwave Heat: 1. Put the pack into the microwave oven for about 1 minute with intermediate fire(700W). Adjust heating time according to microwave power. 2. Hot water: boil the pack in the hot water about 8-10 minutes. Check every minute if reach to the ideal temperature. Freeze Cold: Store in the freezer about 1-2 hours to freeze the gel. Hot Therapy: Relieve short-term muscle and joint pain, back strains and menstrual pain. Cold Therapy: Relieve Injury swelling, minor burns, headache and toothache. Ton-toxic, Latex Free, No peculiar smell, Environmentally friendly, Reusable. Precaution: If the temperature is too low or high for you, please use a wrap to cover the pack before use.