CONVENIENT TO CARRY: This 3D sleep eye mask is a must-have when travelling, you can take the sleep eye mask out and use it on planes, buses or other long journeys to get a good night's sleep on the go. ADJUSTABLE ELASTIC STRAP: The sleep eye mask features a flexible sliding buckle and elasticated fastening straps that allow the mask to be adjusted to best fit the circumference of your head, reducing pressure on the back of your head and allowing you to sleep soundly throughout the night. SIDE SLEEPER'S FAVOURITE: The 3D contoured cups and curved design of this sleep eye mask fit better to the eyes and nose, and the height difference between the two sides is designed to perfectly cushion the pressure on the temples when you sleep on your side, reduce the excess light caused by the distortion of side sleeping, and improve the quality of sleep. SOFT & SKIN-FRIENDLY: This sleeping eye mask is made of soft and elastic memory foam and ultra-soft breathable material to help you sleep more comfortably and breathably. And the 3D contour cups and curved design fit your eyes and nose. PERFECT SHADING: our 3D sleep eye mask adopts softer and more comfortable filling materials, perfectly filling the gap between the nose bridge and the eye mask, effectively blocking the external light, a better solution to the high nose bridge does not fit the gap, light leakage problems, true 100% shading eye masks.