【Domestic Certified (QTEC) - Pursuit of Zero Light】The essence of this eye mask lies in blocking out all light. Even the faint light from charging or standby indicator lights can disrupt deep sleep. Don't you sometimes find that your eyes adjust to the darkness and you still perceive a little light? This is a sleep eye mask that achieves the ultimate "light-blocking" environment, preventing you from feeling any light. 【3D Three-Dimensional Structure & Nasal Bridge Synchronized Design】The uniquely developed three-dimensional cut does not touch the eyelids, protecting eyelash extensions and eye makeup. The nose area employs a "synchronous fit structure" to block light leakage from gaps. This next-generation sleep mask model boasts 99.99% light-blocking performance, combined with zero pressure and breathability. It's the perfect design for a sleep mask. 【Eye Relaxation & Lightweight Design】Feels as light as a feather. Block out the light and enjoy deep rest for tired eyes from working at home. This is a rest eye mask with zero pressure for your eyes that have been strained all day. This lightweight eye mask brings peaceful sleep. 【Adjustable & Unisex】With an adjuster, it fits perfectly to any head size. It's comfortable without the need for size adjustments, making it ideal as an eye mask gift. This sleep eye mask provides a custom-made fit for your daily rest. 【Great for Various Scenes】From office naps to airplanes and bullet trains, this is a sleep aid that transforms the "spare time" of a busy daily life into deep relaxation. It's convenient for travel and easy to use on airplanes.