1.Hot & Cold Eye Compress Use with the gel pad in the concealed zipper pocket of the sleep mask, it changed into a micro weighted sleep mask for you to say goodbye to dark circles. Put the gel eye mask in fridge for a cooled eye mask sleep, or place the gel pad in hot water for a heated eye mask, which is a gift for individuals suffering from dark circles, dry & puffy eyes. 2.Ergonomic Design Our comfortable sleep mask with double thickened nose wing design contours to your face and shuts out bright light coming from nose area. In addition, full coverage sleeping mask eliminates pressure around ears and quietness, pillowy softness and darkness for better sleeping. 3.Elastic Band The widen headband of the sleep eye blindfold is very flexible, preventing it from moving or falling during sleep without putting pressure on your head and eyes. Moreover, this full-coverage-design sleep mask can avoid leaving marks and scratches on the head when worn for a long time. 4.Material Full coverage cooling sleep masks for women men is made of skin-friendly nylon fabric which you ultra soft and gentle touch on eyes without pressure. It is high breathable, hypoallergenic, absorbent, much softer and comfortable