Natural Silk Sleep Mask: Made from Natural Mulberry Silk, Softe and Breathable — Especially Designed for Eye Area Superior Light-proof Silk Mask: High-density 19 Momme Mulberry Silk with Double Layer Filling, All for the Sound Sleep You Deserve; Perfect for Traveling: Excellent for Shift & Night Workers to Refresh from Uninterrupted Sound Sleep Ergonomic Design: Perfect Oval-shaped Eye Masks are Designed to Suit ALL Kinds of Face Shapes or Nose Shapes Adjustable Soft Elastics Strap.