by a University of Tokyo graduate with a PhD in Eye Mask for Light Blocking for Airplane Sleep Light 3D Lightweight Japanese Brand 3D Face Suyamee

✅【What's Important for Ideal Sleep】Generally, exposure to light at night awakens the brain and keeps you awake, so it's important to "avoid light." Furthermore, "feeling comfortable and relaxed" is also crucial for high-quality sleep. That's why the Suyamee 3D eye mask deeply pursues superior light blocking, a comfortable fit, and a silky smooth feel to support the realization of good quality sleep! ✅【365-Day Japanese Manufacturer's Warranty】A one-year domestic manufacturer's warranty is included. In the event of a malfunction or initial defect, we will promptly replace the product. ✅【30-Day Return Guarantee】We accept returns for 30 days after purchase, even for reasons such as the product not matching your expectations. *You will need your order number to receive warranty service. ✅ [Developed by an Engineering PhD and a Brain Specialist] Dr. Kazuhiro Matsui, a PhD in Engineering from the University of Tokyo (11 years of development experience), and Dr. Shugo Tagashira, a current hospital director (18 years of clinical experience), have jointly developed an eye mask to help you achieve ideal sleep. ✅ [Domestically Certified 99.99% Light Blocking Rate] Certified by the Domestic Quality Evaluation Center for a 99.99% light blocking rate, it almost completely blocks out external light. ✅【Ultimate Fit】Designed with a three-dimensional structure that pursues "comfort that synchronizes with the skin," it adheres closely to the eyes and nose, virtually eliminating light leakage. ✅【6-Layer Micro-Mesh Material】For the delicate and sensitive skin around the eyes, a unique 6-layer micro-mesh material is , providing a meltingly soft feel that supports comfortable sleep. ✅【3D Face Mapping】The 3D shape, derived from hundreds of prototypes after reconstructing the unique skeletal structure of Japanese people using computer graphics, creates the ideal fit. ✅【Designed for ultimate ease of use】Equipped with a highly elastic rubber band, it can be adjusted to fit head circumferences from 44 to 88 cm, making it suitable for a wide range of people, from children to adults, regardless of gender. ✅【Washable and reusable】It can be machine washed in a laundry net, making it easy to care for. It's reusable, wrinkle-resistant, and hygienic, which is another great feature. ✅【Highly Breathable】Suitable for all seasons: spring, summer, autumn, and winter! The breathable material dries quickly, ensuring comfort even while you sleep. ✅【Ultra-Lightweight】Weighing only 34g, lighter than an egg! The ultra-lightweight design puts no stress on your head, making it so light you'll forget you're wearing it. ✅【Useful in various situations】It is useful as a sleep aid in all kinds of situations, such as when going to bed, on airplanes, on long-distance buses such as overnight buses, when traveling on trains and bullet trains, when taking a nap, when napping, when relaxing, when on business trips, when taking a break, and when traveling. ✅【Trusted Japanese Brand】Planned and developed by a Japanese company, and manufactured in a specialized eye mask factory with numerous global business achievements. Under a rigorous double-inspection system, we carefully deliver high-quality eye masks to each and every customer. ✅【Specifications】Material: Lycra memory foam cotton, Weight: Approx. 34g, Size: Approx. 25x10x3cm (Included items: Eye mask, Japanese instruction manual and warranty) Developed jointly by a neurologist and an engineering doctor, the Suyamee sleep mask combines the knowledge of modern medicine and cutting-edge engineering to achieve "ultimate light blocking and a perfect fit." Its three-dimensional shape achieves a 99.99% light blocking rate and features unique Synchro W Eye Fit technology. The high-density micro-mesh material has a 6-layer structure for high breathability, and its silky smooth texture supports comfortable sleep. As a sleep aid, it can be comfortably in a variety of situations, including on airplanes, long-distance buses, overnight buses, business trips, and travel.