[Elastic Strap Design] The sleeping mask has a soft adjustable headband that fits most people's head sizes, won't cause compression, and won't fall off during exercise or sleep. [Blocking Light, Improving Sleep Quality] Silk sleep mask has excellent sun-blocking properties, which can effectively block out external light, naturally soothe your skin, improve your sleep, relax your eyes, improve your mood and comfort, and keep you energetic.
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