Yellow plastic lens. This item is the lens only. These bounce much better than the Glass lenses if dropped.
 
Part Name: 101 Series Front Indicator (Turn) Lamp Carello Type Yellow Lens
AlfaStop Product Code: 1LIF162
Original Alfa Romeo Part No: 101.00.65.011.01/01
Model: Guilia 101 Series, Giulietta 750 & 101
Quantity Per Car: 2