Are you looking for a string light set with lamps featuring unique filament? Then this is the set for you. The lamps have a double filament, giving them a unique look and creating an atmospheric lighting effect. Filament lamps are the latest development in LED technology. Filament bridges the gap between the cosy appearance of old-fashioned incandescent bulbs and the very low energy consumption and long lifespan of LED lamps. The filament in the lamp is clearly visible, making the lamps true eye-catchers.