This seat is compatible with MyCanoe 3.0 and older models and is NOT for POP.
MyCanoe comes with two seats and MyDinghy has one seat.
MyCanoe has a room for three adults or two adults and two kids as long as all together is under 400 lbs.
Additional seats can be purchased either to replace old one or allow you to have an additional seat. When you load multiple paddlers, the optional stabilizer kit is required.