Features: Premium light blocking sleep masks crafted with soft nylon and stretchys fabric for optimal eye fatigue relief during sleep or nighttimes rest. Features adjustable strap, breathable design, and contoured L/M size shape to fit diverse face structures without pressure or heat buildups. Ideal for office worker, students, and frequent traveler seeking uninterrupted sleep in bright environment. Perfect for middays office breaks, overnight home use, or long flight to block disruptive light and enhances relaxation. Engineered with seamless edges and skin friendly materials to prevent light leakage while maintaining all day comfort and pressurefree wear. Specifications: Component: Nylon Craft: Fine sewing to fit the face contoured . Features: Strong breathability and light-shading effect M Size:Approx.33x6.7cm/12.99x2.6inch L Size:Approx.35x7.3cm/13.78x2.87inch 6Option Type; Suitable for lunch break and night sleepings, relieve eye fatigue and provide good shading effect Package Includes: 1pc Eye Cover note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.