【A Great Sleep Helper】: Still troubled by insomnia, migraine headaches and dry-eye sufferers? The sleep mask helps you to eliminate fatigue, improve sleep quality and bring you more energy to work & study. 【Made from Superior Material】: The flexible adjusting belt is made from Adidas cool cloth, the wrapped part is used LYCRA. Round modular donut inside is velvet velour which touches like baby\'s skin 【Flexible and Convenient】: Hidden nose wings will not cause nose discomfort. Adjustable headband with anti-slip back gel can be adjusted to fit all head sizes, also it won\'t tangle your hair and give more comfortable space for ears 【Extra Function】: Equipped with absorption function, it can effectively radiating heat and control water evaporation by absorbing moisture and sweat of the surface during sports or sleeping. Besides it maintains the human body temperature in the optimum state through lowering the temperature 【Compact & Foldable】: Folding with palm size makes it portable to take anywhere. Bonus: Extra pair of donuts ear cups allows you to change and wash, and a pair of earplugs perfectly accompanies sleep mask to bring a better sleep