Perfect sleeping mask for side sleeping: The upgraded sleeping mask fits the contour of the temple, and the height difference between the two sides is designed to perfectly cushion the pressure on the temple when sleeping on the side. Let you sleep betterand relax. What is the role of the 3D eye mask? : Connected 3D contour cups make this sleep mask more breathable, no pressure on eyes and nose. Plus, the deeper socket design won't rub against your lashes. Perfect Light Blocking: The invisible nosebridge design of this sleep mask effectively blocks light from the bottom of the nose, giving you a completely dark sleep environment. With it, you can get a good night's sleep anytime, anywhere. Coolness: Troubled by sweating with an eye patch? Ifyes, this cool night mask is perfect for you. The eye mask is made of double-sided ice silk fabric, which is super breathable and not hot. Colour: Black Shipment Quantity: 1 Piece Package Contents: Only the above package contents, excluding other products. Size: 23*10*2cm (Reminder: The size is measured by hand, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)