Brand Generic Colour Black Material Silk Special features lightweight Age range (description) Adult About this item Light Soft and Smooth - The lightweight and super soft smooth sleep mask perfectly fits your face curves with no pressure and no discomfort on eyes it could also improve insomnia migraine Adjustable Strap with Metal Adjustment Buckle - the lightweight eye masks with comfortable adjustable strap can fit all head sizes It will not slip off while sleeping Block Bothering Light - sleep eye mask blocks all the bothering light creates a completely dark environment and improves your sleep quality This sleep mask makes you relaxed promote for melatonin production Wearing it for sleep you will be full of energy the next day The metal adjustment buckle ensures a longer life