Ostra Brasil Short Beach Cover Up in Black. - size M (also in S, XS) Ostra Brasil Short Beach Cover Up in Black. - size M (also in S, XS) 55% linen 45% viscose. Made in Brazil. Machine wash. Unlined. Pull-on styling. Side loop button closure with bow accents. Lightweight linen fabric. OSTR-WD6. SA32. Shop the latest in fashion from Ostra Brasil