Car Convertible Seats

convertible
Able to be changed in form, function, or character
capable of being exchanged for or replaced by something of equal value; "convertible securities"
a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)
a car that has top that can be folded or removed
(of a car) Having a folding or detachable roof
(of currency) Able to be converted into other forms, esp. into gold or US dollars

seats
(seat) show to a seat; assign a seat for; "The host seated me next to Mrs. Smith"
A sitting place for a passenger in a vehicle or for a member of an audience
The roughly horizontal part of a chair, on which one's weight rests directly
(seat) a space reserved for sitting (as in a theater or on a train or airplane); "he booked their seats in advance"; "he sat in someone else's place"
seating: an area that includes places where several people can sit; "there is seating for 40 students in this classroom"
A thing made or used for sitting on, such as a chair or stool

car
a wheeled vehicle adapted to the rails of railroad; "three cars had jumped the rails"
A road vehicle, typically with four wheels, powered by an internal combustion engine and able to carry a small number of people
A vehicle that runs on rails, esp. a railroad car
A railroad car of a specified kind
a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"
the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant