【Rechargeable Hot Eye Mask】 The 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 user-friendly sleep aid. 【Economical & Convenient with Rechargeable Design】 A rechargeable eye mask that can be used repeatedly. It's perfect for sleeping, as well as for naps and comfortable sleep during travel. You can easily warm up and relax your eyes whenever you feel tired. 【3-Level Temperature Adjustment & Auto-Off Function】 Switch between "High, Medium, and Low" temperatures with a single button. It has a timer function that automatically turns off after 30 minutes, allowing you to rest assured. 【Comfortable Sleep Design × High-Quality Materials】 Awarded the 2023 Good Design Award. Eliminating metal fittings and buttons, the unique material "nerugoo SILK" provides a skin-hugging comfort. This hot eye mask is gentle even for those with sensitive skin. 【Unisex & Perfect for Gifts】 Adjustable with a strap for size adjustment. Suitable for all ages and genders, it is also chosen as a gift or relaxation item. 【Precautions for Use】 Please refrain from using if you have any of the following conditions. If you have any concerns about use, please consult with your doctor. * Those with facial nerve disorders, sensory impairment, allergies, skin diseases, and atopic dermatitis, or sensitive skin. * Those who have undergone facial implant surgery due to fractures, plastic surgery, etc. * Infants, children, and the elderly who cannot perceive 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 with your doctor before use immediately after LASIK surgery). * Pregnant or breastfeeding women. ※ It is recommended to refrain from use before menstruation, during pregnancy, and breastfeeding, as these are important times when your physical condition is prone to change.