Both Sides 6A Grade Mulberry Silk Our silk pillowcase with pattern are handmade from high quality natural pure mulberry silk,well made.We spent a lot of time to check,test our products to ensure the premium quality. Improve Your Skin Silk contains 18 amino acids which has good compatibility with human skin,smooth and soft,maintain the balanced moisture your skin needs,prevent acne and wrinkles,anti-aging.If you have sensitive skin,you'll feel much better when sleeping on a hypoallergenic surface just like silk. Great Gift Choices Real mulberry silk pillowcase printed are luxurious and elegant,so it is a great choice and gift for your friends,love and yourself on Birthdays,Valentine's Day and Thanksgiving or Christmas,New Year and other important days..Care Instruction Dry clean or hand wash recommended,the water temperature should not exceed 30 degrees.you can also machine wash,put the silk pillow case with zipper pattern into a net-like laundry bag and put them into washing machine. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.