BMS 9-3 Style 7781 (9340-01-653-0448, 9340016530448; 9340-01-647-3259, 9340016473259) is a 8-harness satin weave dry fiberglass fabric. This fabric was designed to prevent stretching and shrinking when exposed to high or low temperatures. BMS 9-3 Style 7781 is typically used for interior cabin structures including seats, luggage bins, bulkheads, lavatories, wall panels and in honeycomb structures.