SQUARE WEAVE TOPPING CODE MATERIAL DESCRIPTION STF Stayfast Acrylic face and cotton backing. Backing is black with a smooth texture. Tan color backing is available with some face colors. TWILL WEAVE TOPPING CODE MATERIAL DESCRIPTION TWF IV Twillfast IV Acrylic face and 100% polyester backing. Backing is black and has a Dobby (crosshatch) pattern. Tan color backing is available with some face colors. TWF RPC Twillfast RPC This considered an Acoustic topping and reduces noise. Acrylic face and polyester backing. Backing is black and has a Dobby (crosshatch) pattern. GER Sonnenland German Classic Polyester/acrylic face and polyester/cotton backing. Backing is black and has a Dobby (crosshatch) pattern. Tan color backing is available with some face colors. GER A5 Sonnenland German A5 This is considered an Acoustic topping and reduces noise. Acrylic face and polyester backing. Backing is black and has a Dobby (crosshatch) pattern GER A5 DBS Sonnenland German A5 Acoustic This is a very high level acoustic material. Acrylic face and polyester backing. Backing is black and has a Dobby (crosshatch) pattern. Headliner Materials CODE MATERIAL DESCRIPTION BRO Brocade Very elegant cloth used on newer Mercedes-Benz and Saab VEL Velour A soft fabric used in Porsche and Mustang UTS Ultrasuede Made of very fine polyester fibers. Structure and finish simulates leather DAN Dane Cloth This is a napped fabric used in many brands of convertibles SBWD German Stretch Bowdrill Same as Bowdrill, but uses a rubber GUM backing to give it extreme stretch RBWD German Rubberback Bowdrill Same as Bowdrill, but uses a harder rubber backing to give it extreme stiffness. GVL German Vinyl This is the original heavy German vinyl. Same appearance as the cloth used in sedans FB Foamback Cloth Typical modern headliner fabric with a foam backing RFB Reinforced Foamback Typical modern headliner fabric with a special reinforced backing for use in the XJS and Saab 93 STW Stretchwool Original headliner fabric used in 1951-1971 Mercedes and Porsche Cabriolets TWL Twill Original headliner fabric used in 1994-on BMW and VW Roadsters/ Cabriolets WBC Wool Broadcloth “West of England”cloth used in Rolls-Royce, Bentley and Jensen convertibles