The Finest Grade Silk Available. Blush Silks Pillowcases are handmade in the Highest Grade (6A)  100% Pure Mulberry silk with the Thickness of 22 Momme Queen Size 20” x 30” King Size 20" x 36" Zipper Closure Packaging: Each single pillowcase in packaged in our high quality drawer gift box and includes our Blush Silks product information card We at Blush Silks are beyond excited to share the ultimate beauty sleep experience.  -  100% Pure Mulberry Silk -  Highest Grade 6A - Zippered Closure -  22 Momme (equal to 700 Thread Count) -  Anti- Aging -  Moisture Retaining -  Anti-Bacterial -  Hypoallergenic        -  Less Friction   -  Reduces Hair Breakage -  Temperature Regulated -  STANDARD 100 by OEKO-TEX® Certified           From the moment you lay your head on our pillowcase, you will start experiencing the benefits of silk