Product Description1.You will need one, if your bedroom cannot completely be shaded by black-out curtains and you want to sleep in2.You will need one, if you cannot fall asleep because your partner wants to read or watch TV3.You will need one, if you want to sleep while travelling. Such as, on airplanes or in trains4.You will need one, if you are looking for perfect relaxation during yoga, wellness or meditationWhy choose us?FABRIC: Both sides of the sleep mask are made from mulberry silk.HEADBAND: Easy to wear headband, fit for for men, women, boys, girls, and shift workers.BENIFITS: Ideal for insomnia, migraine headaches and dry-eye sufferers, as the breathable, natural fibers of hypoallergenic silk allows healthy oxygen in while keeping dry air out.SIZE: 21*9.5cm.It can completely block out any light and will guarantee healthy and pleasant sleep. It is a must-have eye mask for travel, yoga, home use or meditation. It will always stay in place due to its long, elastic band that fits comfortably around your head, no matter what head size you have.