Found this on Amazon, seems to be fashionable to wear airplane seat-belts these days. Fortuitous because I think that's what they used in Alien. See linky.
Amazon.com: Recycled Fashion Airline Seatbelt Belt With Real Recycled Airplane Seat Belt Buckle!: Clothing
Amazon.com: Recycled Fashion Airline Seatbelt Belt With Real Recycled Airplane Seat Belt Buckle!: Clothing
