About this product: 【Domestic Certified (QTEC) ・ Pursuit of Zero Light】The essence of this eye mask is to block out all light. Even the slightest light during charging or the standby indicator can interfere with 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 sense of light. 【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 has 99.99% light-blocking performance, plus a pressure-free breathing sensation. It is the perfect design for a sleep mask. 【Eye Relaxation・Lightweight Design】Feels as light as a feather. For tired eyes from working at home, block out the light and get deep rest. This is a rest eye mask with zero pressure for eyes that have been used all day long. This lightweight eye mask brings a good night's sleep. 【Adjustable・Unisex】With an adjuster, it fits perfectly to any head size. It's a comfortable sleep eye mask that doesn't require size adjustment, making it ideal as an eye mask gift. It 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 is convenient for travel and is an easy-to-use eye mask on airplanes. 250607