This multi-award-winning, anti-aging, anti-sleep crease, anti-bed head slip pure silk pillowcase is clinically shown to visibly improve the appearance of fine lines, skin hydration, skin texture and smoothness. Imported Product Specifications 20" x 30"; 51 cm x 76 cm Material & Care 100% highest grade (6A) long fiber mulberry silk with a thickness of 22 momme Hand wash