3D Evolution Sleep Mask - your way to a full rest It is designed to give you deep and quality rest in any conditions. The special 3D contouring completely blocks out external light, preserving the natural production of melatonin - the hormone responsible for healthy sleep. Thanks to its voluminous shape, the mask does not press on the eyes and allows them to move freely, providing maximum relaxation. The outer surface is made of soft, pleasant to the touch velour, while the inner part has anatomical contours for a comfortable fit. The adjustable wide elastic strap ensures a secure and comfortable fit, and breathable materials support optimal ventilation. The mask comes in a universal size (M/L), suitable for most people, and comes with earplugs so nothing disturbs your sleep. Experience what it truly means to get a good night's sleep with the 3D Evolution mask.