This product is new and unopened. [Hot Eye Mask] nerugoo Hot Eye Mask, Rechargeable Eye Mask, Hot [Winner of "MONOQLO" 2024 Annual Overall Best Buy Award] (01. Sapphire Blue) [Over 500,000 units sold! The evolved hot eye mask] The popular salua hot eye mask has been renewed as the new brand "nerugoo". Improved based on customer feedback, it has evolved into even more comfortable and easy-to-use sleep aid. It is rechargeable and can be used repeatedly, making it economical. You can easily warm it up and relax anytime you feel eye fatigue, such as during sleep, naps, or while traveling. [Comfortable Sleep Design x High-Quality Materials] Awarded the 2023 Good Design Award. Eliminating metal fittings and buttons, the unique material "nerugoo SILK" provides a comfortable feel that adheres to the skin. This hot eye mask is gentle on sensitive skin. [Unisex & Perfect for Gifts] Adjustable with an adjuster. Suitable for all ages and genders, and recommended as a gift or relaxation item for those suffering from eye strain. [Precautions for Use] Please refrain from using if you: Consult your doctor if you have any concerns about use. ● Those with facial nerve disorders, skin sensory disorders, allergies, skin diseases, and atopic dermatitis, those with sensitive skin ● Those who have undergone facial implant surgery due to fractures or plastic surgery ● Infants, children, and the elderly who cannot sense heat ● Those with head and ophthalmological sequelae due to traffic accidents, etc. ● Those with or who have had eye diseases, or who have undergone eye surgery (Please consult your doctor before use immediately after LASIK surgery) ● Pregnant or breastfeeding women * During the premenstrual period, pregnancy, and breastfeeding, it is an important time when your physical condition is likely to change. We recommend that you refrain from using it.