... steel frame and make seat more strong, and PU foam let you seat very comfortable, the seat cover is flexible, cloth ... , PVC 1. Steel tube frame 2. Folding seat 3. High grade simulated leather/carbon fiber/cloth cover ... 5. Lumbar available 6. Bracket and racing harness for your choice.Features: 1) Made of the most durable ... : Blue, yellow, red, black, and others. racing seat Racing Car seats S606B