White mini dress. Lightweight, slightly-stretchy cotton drill fabric. Lined. Center back zipper. Cold hand wash only. Model is a standard XS and is wearing size XS for this style. True to size. Cotton/Spandex. Meet the Harry Girl Mini Dress, a white cotton piece that infuses a playful mini into your look with its panelled fitted shilhouette. Tailored for comfort and ease of movement, this dress is the perfect choice for casual outings.