What are the dimensions of the Purple® Seat Cushions? We have several options! You can find all our seat cushion dimensions and description, HERE. Related articles Can I cut the Purple™ Seat Cushion to fit a specific seat size? What Purple® Seat cushion is recommend for coccyx pain? Can I cut the Purple® Seat Cushion to fit my motorcycle seat? Can I get a different color of seat cushion covers? Can I leave the Purple material in a hot car?