How to Repair ROHO Cushion

Love/Hate relationship with ROHO. Great for preventing pressure sores but with being active and constantly tossing in/out of the vehicle and tranferring so much, I'm always patching it.
Over the last 20 years, they've finally improved the covers and they last longer than a couple months (now almost a year) but wish the cushion itself
wouldn't crack or wear as easily.
I initially tried a gel cushion but it would always smash out and would always need to re-adjust the gel. New ones any better?
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[@stevenjeffrey7]

@Wheelchair Living If I mail/ship you my Roho Cushion, can I pay you to fix it for me?