Features: 1.Material: Double layer 100% 16 Momme Mulberry Silk  2.Colors: as the pictures show 3.One size Fits head sizes: 60-100cm 4. Elastic: band with Ribbons make the night slumber stay on all night   Function: 1. Luxurious (Attractive and decadent) 2. Temperate (Perfect for all weathers) 3. Softer (Feels much softer than cotton against the skin) 4. Lighter (You can feel the difference between cotton or polyester and silk in the weight) 5. Natural (Silk is naturally hypoallergenic) Package Includes:2 Pieces  Silk Hat