Most listings state the pillowcases are 100% silk, with several specifying mulberry silk. Some listings also include grade or weight details — examples shown are 22-momme and grade 6A.
Listings show standard/queen and king formats. Typical dimensions shown are 20" x 26", 20" x 30" (standard/queen orientation), and 20" x 36" (king), covering the usual standard, queen, and king sizes.
Closures vary across listings: some use an internal envelope, others use an end flap closure, and at least one listing specifies a zipper closure.
Some listings list thread counts (examples shown: 400 and 600), while others provide silk-specific details such as weight or grade — for example, 22-momme or grade 6A.
Product descriptions use different surface terms: some listings describe the fabric as satin and others use the term sateen.
Several descriptions call the silk breathable and note it provides a cooling sleep surface. Some listings also describe the material as hypoallergenic or suitable for sensitive skin.
Review summaries most often praise the material's soft feel and note a cooling sleep surface. Many reviewers also report improved hair management, such as fewer tangles and reduced frizz.