This dress is new without tag. It still has part of the tag still attached to the label (see photo). It is a pull over two piece. You can wear it as a dress or as a swimsuit pull over. The fabric is elastic and form fitting. The approximate measurements are - The slip is - Bust 17.5” Waist 17” Hips 18.75” The dress is - Bust 16” Waist 16” Hips 18” Length from shoulder 35.5”