Product name: ice pack eye mask Material: Nylon Color (Optional): black, pink Size: 23 x 18 x 1cm/9 x 7 x 0.4inch Function: ice compress and sleep aid eye mask Parts List: 1x Sleep Eye Mask Feature: Headache Ice Pack-This is a stretchable compression eye mask with adjustable hook and loop fastener to ensure a perfect fit to the head, face and eyes. High-quality Material-Made of cutting-edge materials and professional-grade gel, it won& 39;t get cold even when frozen. Non-toxic and odorless, the thick solid gel can keep cold for a long time, keep smooth and flexible when frozen, and is very comfortable to wear. Relieve Pain & Tension-The stretchable gel closely fits all different head shapes, tightly compresses the head, provides more cold penetration, and relieves pain and tension. One-piece Mask-This sleep eye cover provides full cold press coverage for your head and can be easily adjusted to a perfect and personalized fit. Its soft gel design will not bring uncomfortable pressure to specific areas, such as hard ice bag inserts. This stretchable all-in-one flexible headache eye mask allows you to lie comfortably on the bed or sofa.