This firm girdle is an original vintage piece. It features flat sewn seams and paneling all around, strong zipper with hook & eye closure, and fabric made of 77% nylon, 23% Lycra® Powernet Spandex stretch knit for all-over control. Size 4x/38, waist 38. This is NOT a true 4x. I was burned by this so my loss is your gain!! :) PLEASE review the size chart attached. - Flat sewn seams and paneling all around for garment comfort- Sturdy zipper with hook and eye closure for comfort and convenience- Natural shaped back gives perfect stride action that prevents garment ride-up- Rigid front, back and sides of nylon satin for firm controlItem is new with tags, from a non-smoking home. Please message with any questions. Happy Shopping!