For the price of a couple of packs you can purchase a handful of reusable cloths that will fit onto the same pad. (thespruce.com)
Even the arm rests that are located on either side of the seat are covered in the same padding so that you know whatever position your child is in, that they will always feel super supported. (earlymomentsmatter.org)
When there's a little - ahem - incident, I just move him to the other side of the pad and fold over the soiled part so that he can keep playing on the same pad a bit longer. (candokiddo.com)