The cushion withstands an array of wiggly kids. I bought 6 of these suckers and was able to inflate them to varying degrees to meet the needs of different kids. A couple of caveats: tape over the plug--otherwise kids will figure out that it makes funny sounds when you pull it out and the air rushes in; and don't let kids pump the seat cushions up because the pump is not able to withstand kid shenanigans.
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