✅Luxury Natural Silk: Made of 100% 22 momme 6A grade mulberry silk on both sides, filled with mulberry silk floss for a full silk construction. The higher the momme, the thicker and more durable the silk. Super soft, lightweight, smooth, and breathable. Oeko-Tex 100 Certified. ✅Benefits Of Pure Silk: Natural mulberry silk is rich in amino acids that help keep skin around the eyes hydrated, smooth, and refreshed. It also naturally regulates temperature to maintain comfort in all seasons. ✅No Eye Pressure & Blocks Light: The 3D contoured cup design leaves ample space for your eyes and eyelashes, allowing you to blink freely without pressure. Effectively blocks unwanted light for a dark sleep environment and longer, deeper rest. ✅Adjustable & Comfortable Fit: The adjustable silk-wrapped strap adapts to all head sizes without slipping, pulling hair, or leaving marks. Gentle elastic ensures comfort through the night and easy adjustment for men and women. Adjustment guide: watch the video in the Product Description. ✅Travel & Gift Ready: Comes in an elegant gift box with a soft travel pouch, perfect for use at home, in hotels, or on airplanes. A thoughtful gift for family and friends. Includes 180-day warranty and 24-hour support. Adjustable 3D Silk Sleep Mask: Zima silk sleep mask has an adjustable silk wrapping strap that adapts to all head sizes, and elastic band will not exert too much pressure or leave a mark on your head. 3D Ergonomic Design – Contours perfectly to facial curves with zero pressure, stays in place even for side sleepers. Premium 22 Momme Silk – 40% thicker than standard 16 momme masks for superior light-blocking, while maintaining cloud-like softness to prevent sleep wrinkles. Hair & Skin Care – Ultra-low friction (7.4 coefficient) protects curly/color-treated hair from breakage and reduces skincare product transfer. Travel Essential – Comes with premium storage pouch, folds flat for carry-ons. Our patented 3D design creates a perfect blackout seal without pressing on lashes or delicate eye area, while the adjustable silk strap stays put all night.