Clayton Leona Dress in Black. - size S (also in ) Clayton Leona Dress in Black. - size S (also in ) 95% viscose 5% spandex. Hand wash cold. Unlined. Front seam slit. CLYN-WD154. CLAYFA16 223D. 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.