Vintage blouse has pearlescent buttons up front and at cuffs. Fabric does have stretch but no tag -feels like a poly type. Shown on S model -sale is top only. IMO, bestbfit small but let pics with meas be your guide. Best color is last pic, rusty brownish. Fabric has slight sheen but is not satiny/shiny. Please ask any questions before purchasing -all sales final. 0823.0000.RR