Bumfortable seat for the Nelo Quattro Classic

Which Bumfortable seat fits the Nelo Quattro Classic?

The “Bumfortable Kayak Seat - Round” and the “Bumfortable Kayak Seat - Flat” both fit the Nelo Quattro Classic.

Bumfortable Kayak Seat - RoundNZ$320.00

Bumfortable Kayak Seat - FlatNZ$320.00