Machine washable for easy care. The Ovela Set of 2 Mulberry Silk PIllowcase is made from the highest quality Mulberry silk, helping you to sleep in silky smooth luxury all while helping to fight against irritated skin, allergies and frizzy hair without breaking the bank. Made of 100% premium 6A grade long fibre charmeuse Mulberry weighing 16 momme, this luxurious pillowcase has a 400 thread count. Silkier skin: Containing 18 amino acids, silk can help to counter the effects of ageing and preserve the natural moisture in your skin. Rather than rubbing up against the fibres of cotton, your skin glides along the silky surface, helping to prevent wrinkles and creasing. Smoother hair: Containing natural proteins that can help to aid damaged hair, silk can help to reduce split ends, frizz and dryness by helping to maintain the natural oils of your hair and preventing frizz-causing friction. Breathe easier: Keep cool in the summer and warm in the winter with the temperature-regulating properties of silk. Suffer from allergies? Silk has naturally antibacterial and hypoallergenic properties to protect against dust mites and other allergy triggers. Machine washable for easy care.