This item is an USB eye mask. Made from the polyester, super smooth and comfortable, good for skin. Completely block out all disturbing light, to help you fall asleep easier and engage in deep. for helping you to relax and fall asleep for a truly sensational sleep and wake up refreshed. It is a product worth buying. Features -Color:Grey -Material:Polyester -Size:19.50X9.00X1.00cm/7.66X3.54X0.39in -Voltage: 5V -Note: Powered by USB cable. -The cleaning is simple and convenient, no need to disassemble the heating elements, can be washed directly with water, and can be reused. -Selected skin-friendly polyester, very softening and smooth hand feeling. You can use with confidence. -USB charging steam hot compress eye patch design, comfortable and chic. Wonderful your friends and families. -Touching your eyes gentle, protecting your skin as smooth as satin, to release your eyes' pressures. - -performance, you can get our product at a very . Package list: 1 x Heated Eye Mask