ANTI-AGING -- Silk has been shown to reduce friction, which can reduce pressure on creased skin; Helping protect the delicate areas around your eyes by preventing marks that could cause wrinkles; Silk naturally hydrates the skin while you sleep, reducing the look of dark circles ANTI-IRRITATION & HYPOALLERGENIC -- Odor-free, colorfast and non-toxic dyes; Lightweight and comfortable. Pure silk touches your face, making the sleeping mask a great choice for women and men with sensitive eyes or skin conditions like eczema 100% COVERAGE & TOTAL BLACKOUT -- A deeper nose notch is more comfortable for all face contours and does not press against the nose. Interior extra layer provides complete light-blocking properties. Whether traveling or at home, this eyeshade helps you wake feeling refreshed and rejuvenated day or night GOOD for SIDE-SLEEPER -- The plastic clasp (high tensile strength) sits at the back of your head, not rubbing against your ears; Fully adjustable, expands from 15.8" to 27.6" in circumference, One-Size-Fits-All