Premium quality Haartz Stayfast cloth with a plain black inner lining Precision cut with Gerber automated computer guided cutting equipment for consistent quality Factory-style headliner attachment installed around window with pre-punched holes Deck seams are heat-sealed from the inside as original using specialized equipment Plastic, pre-punched retainer attachments are sewn-in for an easy installation This 2000-2006 Audi TT Convertible Top is made from factory original Twillfast RPC acoustically enhanced material. Manufactured using a patented lifetime window bonding system for a secure bond that does not have the unsightly piping and stitching around the exterior of the window like heat sealed tops. The window bond is guaranteed to not fail for the life of the original purchaser. This Audi Top includes factory retainers for a faster, more accurate installation. The craftsmanship and careful detailing is evident throughout this AUDI TT convertible top. After thousands of successful installations, we are confident that this convertible top will fit your Audi right out of the box. 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.