OEM original German Classic cloth topping material with tan inner lining 3 DOT rated heavy 50 gauge sewn-in tinted plastic windows with finish piping Deck seams are teat-sealed as original without tape Windows are double stitched and include finish trim piping on the outside Window areas are reinforced on the inside for added durability This Mercedes 129 chassis convertible top is made as original with 3 sewn in windows using patterns and specifications to the original vehicle. This includes German Classic canvas from Haartz Germany, which is a premium quality topping with 100% polyester dobby-weave lining fabric. Made with a hand-rolled binding as the original Mercedes. The topping material has a black interior backing color as original and includes vinyl piping around the rear windows also just like the original. The craftsmanship and careful detailing is evident throughout this convertible top. After thousands of successful installations, we are confident that this convertible top will fit Mercedes-Benz SL convertible right out of the box and if your professional installer cannot fit this to your vehicle, we will either replace it at no charge or give you a full refund, including shipping. This item fits these 1990 through 2002 models: 300SL, 500SL, 600SL, SL280, SL320, SL500, SL600 convertibles.