Can an inflatable be used by a child heavier than the individual max weight?

We don

Why do some inflatables have a gross weight limit that is less than the max user weight x the number of max users?

Blast Zone Inflatables come with a max user limit, a weight-per-user limit, as well as a gross weight limit (combined weight of all players). Sometimes the Gross limit is less than the calculation of max users x max user weight. For example an inflatable...