Spec: Features: Hot & cold compress alternating use, effective removal of eye bag and dark circles. Reduce capillaries, tighten skin, prevent skin prolapse, maintain facial skin flexibility. Relieve fatigue, suitable for people working in front of computer for a long time. A good assistant for physical cooling of fevers by simply put the cold eye mask on the head. Soft and smooth will help to relax the eyes, sooth eye strain and nerves. Specifications: Material: PVC Usage: Cold Compress: refrigerate for 30-60 minutes, or freeze for 15 minutes Heat Compress: put into hot water for 2-5 minutes to remove. It is best not to microwave directly heating to prevent rupture. Cleaning: Warm water or cold water, neutral soap scrub to clean, cannot machine wash, dry clean or twist Package List: 1 * Eye Mask Note: 1. For external use, do not take it internally. 2. In case of rupture, rinse with water. 3. Overheat and underheat, use gasket. 4. Rinse and dry after use.Hot & Cold - Just simply put the cool eye compress in the freezer for 2 hours for cold or heat it in the microwave for 10s for heat . Use the plush side for a cool experience or the plastic side for colder experience. Eye mask comes with resealable bag helps for healthful storage and prolong the usage lifetime or isolate the fridge odor. Hand wash, rinse & lay flat to dry. Physical Cooling - Hot & cold compress alternating use, effective removal of eye bag and dark circles. A good assistant for physical cooling of fevers by simply put the cold eye mask on the head. Relieve Fatigue - Soft and smooth will help to relax the eyes, sooth eye strain and nerves. Reduce capillaries, tighten skin, prevent skin prolapse, maintain facial skin flexibility. Adjustable & Unisex Fit - With an adjustable head strap, our hot and cold eye mask is sure to fit perfectly on all different head shapes and are suitable for women, men, kids. Designed for long hours of comfortable wear as you relax and rest, and a secure fastener ensures the cold eye mask firmly stay on your eyes even as you toss and turn in bed. Effective Relief for Eyes Discomfort - Whether you are looking for relief from puffy eyes, migraine, headache, or just to relax, NEWGO cooling eye mask is here to help! Use our gel eye mask to create a cold eye ice pack to use for relieving puffy eyes, dark circles, headaches, migraines, tired eyes, or as a hot eye mask to reduce swelling, dry eyes.