Lanston Strap Back Romper in Black. - size S (also in ) Lanston Strap Back Romper in Black. - size S (also in ) 65% rayon 35% poly. Hand wash cold. Drawstring waist. Cut-out back with lattice strap detail. Back button closure. Body measures approx 33.5 in length. LANS-WR33. L 1303FT. Lanston is a modern, luxurious and affordable fashion basics collection, that provides timeless pieces in a contemporary market.