https://www.classtiqueupholstery.com
Call Mike at Classtique. He will send you samples and prices. They make complete kits for 29 Phaetons. Seat cushion covers, body and door panels, including all fasteners, etc. needed for the job. Incidentally, you don't have to go with the 29 vinyl if you don't like it. If you like the 28 brown better, then go for it. It's your car. I got an interior kit from classtique 4 years ago and installed it in our Phaeton. It fit just fine.