Sierra Auto Tops Mercedes 1972-1989 SL Series (R107) Convertible Top, Ger Classic Canvas, Blue OEM/Haartz 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 heat-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