If you are currently in the market for silk bedding or clothes, 6A, 22 momme is going to be your best bet! Our Pillowcases are all made from 6A, 22-Momme 100 Percent Mulberry Silk. This enables our pillowcases to provide you with incredible benefits for your hair, skin, quality of sleep, & allergy symptoms that cheaper silk pillowcases & pillowcases made from other fabrics just can't duplicate.