Show Chrome Accessories Seat Plug. Plug fills the void around the backrest assembly for a cleaner, factory-finish look when a backrest is installed. Robust black ABS that effortlessly fills the opening around the backrest assembly for a sleek, factory-finished look. Snug press-in fit allows for quick and easy installation with no additional hardware required. Fits O.E.M. standard seats and most aftermarket backrests.