nerugoo Eye Mask for Sleep, 99.99% Light Blocking, Sleep Aid, 3D Three-Dimensional Eye Dome Structure [MONOQLO Annual Overall 2024 Best Buy Award Winner] Domestic Inspection Tested ✨ Brand New, Unopened ✨ Anonymous Delivery ✨ Immediate Purchase OK × No price reduction ※ Bubble wrap will not be used due to postal delivery. [Good Design Award Winner] Developed based on Japanese skeletal structure and sleep science, achieving a non-slip fit and excellent light-blocking properties. Provides a comfortable sleep environment with a pleasant fit. [99.9% Light Blocking] Designed to shut out light without worry, preventing light leakage from the outside. Experience true darkness anytime, anywhere, and enjoy high-quality sleep. Perfect for travel and naps, not just at night. [Ergonomic Design] The 3D three-dimensional structure and close fit perfectly conform to the face, providing a comfortable feel without pressure. It fits naturally along the curves of the face, so it won't slip during use and is comfortable even for long periods. [High Adhesion] Uses high-quality inner materials used in sportswear, which are not only gentle on the skin but also adhere closely. It also has excellent breathability, making it comfortable to use in all seasons, without getting stuffy even in hot weather or cool rooms.