Made with pure silk filler and an internal layer, this sleep inducing mask is made with the highest grade (6A) long fibre mulberry silk, with a thickness of 22 momme, to sit comfortable and effortlessly on your face. Slip's bestselling sleep masks provide the ultimate combination of shine, thickness and durability and instantly helps to block out light. With their silk fibres, they allow your skin to breathe, they reduce creasing on the face, eyes and hair, and help you to drift off in a dark, peaceful slumber. Key benefits Pure silk eye mask Made with mulberry silk Finished in a luxurious black shade Unisex Light and smooth on the face and eyes Stops creasing on the skin and hair Comfortable fit Helps block out light to promote a deep and relaxing sleep