We also have been looking and so far this Home page
seems to be best source. Pick the one you like and call them with your seatbelt question. If you request material samples expect 1 to 2 weeks. My biggest problem is seat height as our couch is on slide and slide surface is about four inches above floor. Keep us posted on your project.
Suzie & Chuck USNR USAF USCGA Challenger Owners Club 2015 37KT Challenger, Demco Commander tow bar, Ready Brake, Sewer Solutions, Safe-T-Plus 41-230, 5-Star tune, towing 2017 Ford Edge FWD 3.6L V-6 four down & 385 FastTrack kayak in the basement.
Summer - Creede, CO Winter - Okeechobee, FL