Get your beauty sleep uninterrupted with <a href=" http://www.selfridges.com/cat/slip/" style="text-decoration: none"><font color="black"><b>Slip</b></font></a>’s <b>sleep mask</b>. Blocking out light while preventing pulling and tugging around the delicate eye area, it’s crafted using the brand’s specially-commissioned slipsilk™, which has been developed and refined over 10 years to achieve the ultimate in shine, thickness, softness and durability.