4ONE Perch is a flip seat manufactured by 4ONE. These seats can be flipped up to allow more space on the bus. These seats also allows passengers to lean on them or they can be flipped down and used as seats. These seats are usually installed in the articulated section of buses, the articulated section can be hard for people to get through if there are people sitting there, these seats are the solution to allow more space in that area.
The following agencies operate or have operated vehicles with this model seat: