This is a thick, soft, and sturdy material called "cardboard knit." Lace is attached at the seams on the chest and back. The gold zipper in the back is a highlight, making it look more valuable. #aqua girl #cardboard knit #onepiece #black mermaid dress #lace trim ●Size: Tagged as size M Bust 86cm Waist 88cm Seam between bodice and skirt 96cm Shoulder width 43cm Length 88cm The size of the mannequin it's displayed on: Bust 84cm Waist 63cm Please note that these are amateur measurements, so there may be slight variations. ●Material: Please check the quality label in the photos. ●Condition: Unused. There are no stains or fraying. Although it has been stored for a long time, it is not brand new, but the condition is good. Please understand this before purchasing. ●Other notes: It has been stored at home. Please check the photos for details of the design.