The essence of this eye mask lies in its ability to block out all light. Even the faintest light from charging devices or standby indicator lights can disrupt deep sleep. Don't you find that your eyes adjust to the darkness and still perceive even the slightest bit of light? This sleep eye mask creates the ultimate "light-blocking" environment, ensuring you feel no light at all. The uniquely developed three-dimensional cut doesn't touch your eyelids, protecting eyelash extensions and eye makeup. The nose area features a "synchronous fit structure" to block light leakage. This next-generation sleep mask model, with 99.99% light-blocking performance, adds a pressure-free breathing experience. It's the perfect design for a sleep mask.