Add a passenger seat to your motorcycle with our custom suction cup passenger pillion seats. Unique proprietary suction cup system keeps your seat and your passenger in place. Mounts to your motorcycle fender in seconds. Plain Black Iron Cross (Maltese) Suction Seat. The overall length of the seat is about 10". This seat comes with five 2" suction cups and a protective material on the bottom to help not scratch the paint. (Also available with a skull stitched in the seat.)