From Slip, the Silk Libra Sleep Mask features: 1 x libra pure silk sleep mask (3.3" x 8.1" / 8.5cm x 20.5cm)  The beauty secret of celebrity hairstylists, dermatologists and beauty experts Laboratory tested The stars have aligned. Embark on a celestial slumber with our Zodiac-inspired silk sleep masks.  What could be better than sleeping on a slip silk pillowcase? Wearing a luxurious slip silk sleep mask at the same time (so your beauty sleep isn’t interrupted).  The Slipsilk difference: Slip pure silk products are made using slip silk, developed and refined for over ten years to provide the ultimate combination of shine, thickness, softness and durability In laboratory testing, slip silk pillowcases were shown to absorb significantly less face cream than cotton pillowcases*, so they can help keep your skin’s moisture and valuable face and hair products where they belong, on your face and hair Slip silk was also shown to create 43% less friction on average*, which can reduce stretching and tugging on delicate facial skin *On average compared to cotton pillowcases with a 220-360 thread count.  Full ingredients: Made from 100% highest grade (6A) long fiber mulberry silk with a thickness of 22 momme, pure silk filler and internal liner (exclusive of elastic and piping)  Care instructions: Hand wash 30°C (86°F) Use a pH neutral liquid detergent Line dry in shade Iron or steam on a low heat Do not machine wash Do not dry clean Do not bleach Do not tumble dry Imported.