Clayton Margaret Dress in Blue. - size XS (also in ) Clayton Margaret Dress in Blue. - size XS (also in ) 95% viscose 5% spandex. Hand wash cold. Unlined. Elasticized neckline and waist. Front seam slits. Raw cut hem. CLYN-WD187. CLAYSP17 154D. With up-to-the-moment trends for the girl on-the-go, Clayton designs pieces that are just easy. Claytons no-fuss clothing line is full of mini dresses, casual maxis and attention grabbing garments that you cant be without.