The product is excellent! Very comfortable seat ideal for camping. We used it for 10 days with three people, two adults and one child. In 4 days, it needs to be emptied regardless of usage, as the waste starts to smell (when the waste tank is closed, no smell escapes as it seals tightly). This parameter alone renders the capacity indicator of the 365 model useless, and it costs almost twice as much for this reason alone. Additionally, it is almost impossible to fill 20 liters of waste in 4 days.