Sierra Auto Tops BMW 1996-2002 Z3 Roadster Convertible Top, TwillFast II Canvas, Dk Beige First quality Haartz Twillfast II cloth with original dobby weave lining The entire top is cut from the same bolt of cloth for consistent color and twill pattern DOT rated heavy gauge sewn-in plastic (clear vinyl) window for excellent visibility Factory-style sewn-in die-cut plastic retainers pre-drilled for easy, accurate mounting Windows are double stitched and include finish trim piping on the outside First Quality Haartz Twillfast II Cloth/Canvas with a dobby weave lining Precision cutting with automated computer guided equipment The entire top is cut from the same bolt of cloth for consistent color &amp; pattern Stitched with matching colors using the finest bonded polyester threads DOT approved heavy .040 gauge sewn-in, tinted plastic window Factory-style rain guard sewn-in along length of convertible top to direct water flow Factory-style sewn-in plastic retainers pre-drilled for easy, accurate mounting Windows are double stitched and include finish trim piping on the outside Front corners are reinforced with moisture resistance PVC for added durability Heavy-duty Stapler + 10mm staples. Various screwdrivers Ratchet with 12mm socket Drill, steel bit 5/32 Pliers &amp; cutter Rivet gun and rivets Contact cement spray adhesive (e.g. 3M Super Yellow) Masking tape and a thin foam to protect the new plastic window