Perfect Sleeping Mask for Side Sleepers: 2021 Upgraded Sleeping Mask fits closely to the contour of the temple, and the height difference design on both sides perfectly buffers the pressure on the temple when sleeping on the side. Let you sleep betterand relax. What the 3D Eye Mask does: The attached 3D contoured cups make this sleep mask more breathable and less stressful on your eyeballs and nose. Plus, the deeper eye sockets won't rub against your lashes. Block Light Perfectly: The invisible nose bridge of this sleeping eye mask is designed to effectively block light in the bottom area of the nose, bringing you a completely dark sleeping environment. With it, you can have a good night's sleep anytime,anywhere. Cooling sensation: Are you bothered by sweating while wearing eye masks? If YES, this cooling overnight mask is perfect for you. The eye mask is made of double-sided ice silk fabric, which is super breathable and not stuffy. Colour: Black Products from NIUNIU's store