1. Material: pure cotton
2. 45-degree bevel design, buffer pulling force, no backlog of eyeballs
3. Built-in iron wire design, which fits the nose bridge of different people well and achieves shading effect
4. Ergonomic sleep mask design to fit various head sizes
5. With patented curved cartilage design, it is adjustable and durable, effectively blocking light from the nose area
6. Tight, clean and smooth seams ensure friction without any pressure in every sleeping position
7. Size: 20x11cm
8. Weight: about 30 grams