About this product: 【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 the standby indicator can disrupt deep sleep. Don't you sometimes get used to the darkness and still feel a little light? This sleep eye mask achieves the ultimate "light-blocking" environment, eliminating any light perception. 【3D立体構造・Nose Bridge Synchronized Design】The uniquely developed three-dimensional cut does not touch the eyelids, protecting eyelash extensions and eye makeup. The "Synchronized Fit Structure" is adopted for the nose area to block light leakage from gaps. This next-generation sleep mask model boasts 99.99% light-blocking performance, combined with a pressure-free breathing sensation. 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 eyes that have been overworked all day. This lightweight eye mask brings sound sleep. 【Adjustable・Unisex】With an adjuster, it fits perfectly to any head size. It's a comfortable sleep mask that doesn't require size adjustment, 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 item that transforms the "spare time" of a busy daily life into deep relaxation. It's convenient for travel and easy to use on airplanes. 250607