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'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. Package included: 1*headache relief cap