What is the weight limit for the Purple® Seat Cushion? The Purple® Seat Cushion does not have a weight limit, though there may be one seat cushion that will fit your needs better than another. Find each seat cushion and their best use, HERE. Related articles Do you make custom sizes of the Purple® Seat Cushions? What Purple® Seat cushion is recommend for coccyx pain? Can I cut the Purple™ Seat Cushion to fit a specific seat size? Can the Purple® Seat Cushions be used in the shower? What is the Ultimate Seat Cushion return policy?