eCosmetics is an authorized retailer of Slip. YOUR LASHES ASKED. WE LISTENED. Protect your delicate eyelash extensions while you get your beauty sleep!The slipu00ae contour sleep mask has been specifically designed with delicate eyelash extensions in mind*. The shape of the contour on the inside of the sleep mask has been designed to sit away from your eyelids and allow additional space for your eyelashes to sit while you get your beauty sleep.Patent and design pending.Made using slipsilk™ exclusive of elastic and piping , Filler made with PU foam exclusive of silk liner ,u00a0 Not all silk sleep masks are created equal , Includes 1 x contour sleep mask , See care instructions for details.THE SLIPSILK™ DIFFERENCE Slipsilk™ is specially-commissioned and made to our exacting standards, developed and refined over ten years to provide the ultimate combination of shine, thickness, softness and durability. We use the highest grade (6A) long fiber mulberry silk, with a thickness of 22 momme and enforce the strictest quality guidelines, including non toxic dyes.Slipsilk™ has been scientifically tested by an independent third-party lab and shown to significantly reduce friction and absorb significantly less face cream.*Compared to widely-available cotton pillowcases with a 220-360 thread count.