【Dual-Action Therapy for Total Eye Care】Soothe dry eyes with adjustable heat (3 settings: 107.6°F, 125.6°F, 143.6°F) and reduce morning puffiness & dark circles with an 8-minute cold gel insert. Perfect for post-screen relaxation and morning rejuvenation. 【Hypoallergenic 100% Pure Silk Comfort】The OEKO-TEX certified shell is made of natural silk proteins, offering a supremely gentle, non-irritating feel for sensitive skin. It helps retain moisture to prevent sleep wrinkles and maintain skin radiance. 【Thoughtful, User-Friendly Design】 Features an adjustable velcro strap for a secure fit (approx. 9.45" L x 3.94" W). The silk cover is removable and hand-washable, while the gel pad is easy to wipe clean. Includes a portable pouch. 【Safe, Hassle-Free Operation】The heating function has a 15-minute auto-shutoff to prevent overheating. Rechargeable via USB-C (cable included); a full 2-hour charge provides multiple therapy sessions, making it ideal for travelers, remote workers, or bedtime routines. 【The Perfect Gift for Eye Wellness】Provides professional-level relief at home. An excellent, thoughtful gift for anyone who experiences eye strain, travels frequently, values self-care, or simply wants to elevate their relaxation ritual. 【Reliable Customer Service】 Your satisfaction is our priority.We designed Azang eye masks for your deep relaxation and are committed to supporting you with a responsive customer service team. Don't hesitate to let us know if there's anything we can do to improve your experience. 100% Silk Wireless Heated Eye Mask with Cooling, Relieves Dry Eye Syndrome and puffy, Reduces Dark Circles, Adjustable Velcro Design and Washable Cover, Suitable for Travel & Gifts-Black.