• Cold and hot therapy dual-use headache relief cap
• It can help to relieve headaches, migraine, tension, sinus, pressure, etc.
• It has excellent elasticity, snug fit with your head and face, won't slip off and slide, and you can sit or lie with it comfortably
• Filled with malleable gel, has great flexibility after frozen, comfortable to wear
• Made of highly stretchable lycra fabric, one size fits most people's heads

Specification:

• Size: 23.5*17*1.7cm
• Material: Medical grade gel, highly stretchable lycra fabric
• Certification: FDA, CE, MSDS