Good Quality MaterialPackage includes 2 sleep masks, black colors, breathable and lightweight, ultra-soft and comfortable to wear. Perfectly Block Out LightThis sleep mask is specially designed to keep your eyes shielded from light with minimal facial compression and optimal comfort for your eyes, will allow you to fall asleep faster, get a full and deep sleep. Ergonomic DesignEach eye mask weighs 15g and is 20.3cm long and 10.3cm wide, with 15cm adjustable strap, easily fits head size ranging from 48~64cm , suitable for most men and women. Super Sleeping ExperienceThe eye patch is flexible and durable, can comfortably surround your head and provide the most comfortable sleeping position without tangling your hair , and the breathable silk fiber provides an airy effect ideal for people with dry eyes. re or insomnia. Deep Relaxation AnywhereWherever you are (travelling, at home, at the hotel, on the train, on the plane...) , our eye mask can bring you complete darkness and provide you with a good environment for sleeping.