SCHROTH Racing iNDi Seat kit uses a vacuum casting bag with a unique bead and quick cure resin (30 Min.) making it a simple, easy to use and professional system to fit any driver into any race car or seat. The SCHROTH Racing iNDi Seat kit provides the driver an ???iNDi-vidual??? seating solution for the optimum racing position, improved performance and driver safety. SCHROTH Racing iNDi Seat kit materials have been tested extensively at an FIA Approved Test?? Laboratory.