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*. YOUR LASHES ASKED.THE SLIPSILKu2122 DIFFERENCESlipsilku2122 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. Lovely Lashes Contour Sleep Mask.