18.25" x 16.5" x 4.25" high profile 1r109c
18.25" x 16.5" x 2.25" low profile 1r109lpc
cushion contour 1398 Allman
cushions coccyx CAR CUSH wedge
cushions bucket seat back cushion f1413bk
cushions coccyx memory foam n3007 Essential
Cushions Coccyx Kabooti Standard and Extra wide