Used seat belt guide.  This is the hard plastic trim that attaches to the seat.  This is RH (passenger's) side.  The color of this is graphite (dark gray).  This is color correct for 94-96 models, but will fit all 93-02 models.  Specifically replaces the following:

94-96 Camaro
94-96 Firebird/Trans Am

The item in the picture is the actual photo of the item being sold.