【High Light Blocking × Ultra Comfortable】3D Ergonomic Design Eye Mask This model, certified domestically (QTEC), firmly supports sleep quality. Point 1: Commitment to Complete Light Blocking "Zero-light design" that shuts out even the faint light of charging lamps. This is the ultimate light-blocking eye mask, perfect for those who feel light even with their eyes closed. Point 2: 3D Ergonomic Structure & Nasal Bridge Synchronized Fit Unique three-dimensional cut that doesn't touch the eyelids or eyelash extensions. The nose area adopts a structure that fits snugly, thoroughly blocking light leakage. With 99.99% light-blocking performance, it supports deep sleep. Point 3: Stress-Free Lightweight Design Feather-light comfort, no discomfort even with prolonged use. Perfect for telework, naps, and relaxation time before bed. Point 4: Adjustable Size, Unisex With an adjuster, it fits firmly according to head circumference. It's hard to slip and is also ideal for gifts. Point 5: Versatile Eye Mask, Usable Anywhere Great for all situations, such as travel, airplanes, bullet trains, and office naps. A lightweight model that is convenient to carry.