This HealthShine HOT & COLD Softgel is very simple to use and effective. We just need to store it in the freezer so that the pack is ready to use in case of Injury.Type: Hot & ColdReusableWashableSales Package: Hot and cold gel, Instruction for both HOT and COLDNumber of Contents in Sales Package: Pack of 1Design: WraparoundPurpose: Pain relief of muscles& join, Pain & Nagging back pain, Menstrual Cramps, Injury & Swelling, Toothache, Temporary relief of Headache, Reducing FeversArea of Use: Eyes, Neck, Shoulder, Arms, Elbows, ThighsFiller: SoftgelInstructions: Do not use if puncture or leaking, Children are to use this products under adult supervision, It is recommended that the gel pack is wrapped in cotton cloth before applying to skin, If the pack is exposed to the skin or eye flush with water immediately . If irritation or redness persist consult to your physician.Temperature Retain Time: 30Closure: VelecroFlexible: NoRe-usable: YesAdjustable Length: NoWashable: Yes