Slip Silk Elasticated Sleep Eye Mask Black WHAT COULD BE BETTER THAN SLEEPING ON A SLIPSILK™ PILLOWCASE? WEARING A LUXURIOUS SLIPSILK™ SLEEP MASK AT THE SAME TIME (SO YOUR BEAUTY SLEEP ISN'T INTERRUPTED). Made using slipsilk™ | Pure silk filler and internal liner | Not all silk sleep masks are created equal | Includes x 1 sleep mask.