How to make your trip easy and healthful answers in our luxury 19mm mulberry silk travel pillowcase! the rare mulberry silk contains 18 amino acid, which is capable of nourishing skin and balancing skin temperature. Experts praise silk as top facial and hair beauty because of the properties such as anti-aging, Anti-Allergy and great breathability. Besides, it's very convenient to carry and easy to take care of. A wonderful companion for you and your family.