Usage: Put it into refrigerator for cold therapy; Put it into microwave or hot water for hot therapy. Keep eye away from: black eyes, swelling eyes; dry eyes, blurred vision; Wrinkle eyes; bolldshot eyes Hot compress: relieve fatigue, promote blood circulation in the eye, restore elasticity and improve sleep. Cold compress: promote blood circulation to relieve eye fatigue, refreshing, dilute dark circles and bags under the eyes. HEAT: Eye beauty, eye relaxation, relieve pain and discomfort such as stomach disease, cervical spondylosis, etc., have cosmetic effects. COLD: Cooling in summer, headache and fever, traumatic bleeding, heatstroke, fever, toothache, mild burns, sprains, fatigue, etc. Features: Super soft material and frozen gel, non-toxic and reusable. Thickened pvc material, dirt-resistant and easy to clean, High temperature pressing and sealing, not easy to break