Product name: Ice bag eye mask Material: Nylon Color (optional): black, pink Dimensions: 23 x 18 x 1 cm / 9 x 7 x 0.4 inches Function: ice compress sleep aid eye mask Parts List:1x sleep mask feature: Headache Ice Pack - This is a stretchable compression eye mask with adjustable hook and loop fasteners to ensure a perfect fit on the head, face and eyes. HIGH QUALITY MATERIALS - Made from cutting edge materials and professional grade gels that won't get cold even when frozen. Non-toxic and odorless, the thick solid gel keeps cold for a long time, keeps smooth and elastic when frozen, and is very comfortable to wear. Pain and Tension Relief - The stretchable gel fits snugly to all different head shapes, tightly compressing the head, providing more cold penetration, relieving pain and tension. ONE-PIECE MASK - This sleep mask provides full cold-pressed coverage of your head and can be easily adjusted for a perfect and personalized fit. Its soft gel design doesn't put uncomfortable pressure on specific areas, such as hard ice pack inserts. This stretchable all-in-one flexible headache eye mask allows you to lie comfortably in bed or on the couch.