THIS WILL MOUNT ON THE REAR OF THE FRONT SEAT AND WILL HOLD CUPS/CANS/KEYS/ETC. SERVES AS A HUGE CONVENIENCE FOR YOUR REAR SEAT PASSENGERS. THIS CUP HOLDER CAN BE MOUNTED TO ANY FLAT SURFACE SO YOU CAN MOUNT IT ON YOUR BOAT, IN YOUR TRUCK, CAR, GOLF CART ITS UP TO YOU. INSTALL RIVETS OR SCREWS IN EACH CORNER. PLEASE FLIP CUPS OUT AND TURN THEM OVER. WE SHIP THE CUPS UPSIDE DOWN IN THE HOLDER FOR SHIPPING PURPOSES. HOLDS A STANDARD CAN OR BOTTLE WITH NO KOOOZIE. See sellers other items for our Jumbo Cup Holders