non-adjustable straps, boat neckline. This is a medium weight silk charmeuse fabric - 100% silk. Dry clean only. More on fabric & care . Fabric This is a medium weight silk charmeuse fabric - 100% silk. Sustainably made in China. Care Dry clean only. Heads up: the country of origin above refers to stuff from our most recent production run. There may be styles in our inventory that were made somewhere else.