Pure mulberry silk pillowcase 100% natural. It helps regulate sebum production for cleaner, shinier hair for longer. It neutralises static electricity, helps prevent split ends and breakage. An anti-ageing effect, silk preserves your skin's moisture for a natural, radiant glow. Naturally hypoallergenic, silk is ideal for sensitive skin and those prone to allergies 100% Mulberry silk 25 momme natural. Quality: Grade 6A highest quality silk thread Magnetic closure storage box Invisible closure and PYRENEX woven satin label.