Closures vary across listings and include inner envelope (envelope) closures, zipper closures, and simple end closures.
Product descriptions list finishes and weaves such as Satin, Plain Weave, and Sateen.
Some listings report a numeric thread count (for example, 400), while others mark thread count as "Not Applicable."
Where structural fields are provided, listings commonly note "No Fill", "No Backing", or "No Flange" to indicate the pillowcases lack added fill, backing layers, or decorative flanges.
Most listings identify the fabric as "100% Silk," with several specifically naming mulberry silk or describing the product as "Pure Real Silk."
Dimensions shown include 30" × 20", 36" × 20", 26" × 20" and 20" × 26"; some product details also pair 20" × 30" and 20" × 36" with size labels.
Descriptions say the fabric reduces friction to help prevent tangles and sleep lines, helps tame frizz and reduce breakage, and some listings state the silk can actively moisturize skin and keep hair smooth.