Springfield Marine Economy Coach High Back Folding Boat Seat The Springfield Marine Economy Coach Folding Seat is a perfect addition to any boat. Marine grade vinyl wrapping provides excellent weather resistance for durability in marine environments. The high back provides extra back support for maximum comfort. When not in use the strap on the back secures the seat down. A universal bolt pattern allows for easy installation. Features Universal mounting pattern 5 x 5 , 5 x 12 bolt pattern Folds