Silk-Filled PillowIdeal for those who prefer a flatter pillow, they are naturally hypoallergenic and therefore recommended for asthma and allergy sufferers. This luxury pillow will keep your head at a constant ideal temperature throughout the night. It also retains moisture of your skin and hair and has 50% less friction to reduce sleep lines, wrinkles, hair breakage and hair loss. Pair with a 100% silk filled duvet for perfect night's sleep Casing: 100% pure Mulberry