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 get a different color of seat cushion covers? Purple® Seat Cushions Can I cut the Purple™ Seat Cushion to fit a specific seat size? Can I leave the Purple material in a hot car? Can the Purple® Seat Cushions be used in the shower?