I'm taking it your talking about the plastic seat trim on the original Ford seats.
Try Googling "2001 Ford Van Seat Trim".
A bunch of photos will come up, via e-bay. Maybe you can search and find pieces that match what your looking for.
Steve & Cheryl + Zoey, and Ziggy, our furry kids.
2012 Forrest River Lexington 283ts
Toad, 2013 Subaru XV Crosstrek