Silk PLA, some of the strongest silk pla you will find, this filament compared to other companies has crazy good inter layer adhesion for a silk filament.
Recomended print settings:
Hotend Temperature 190-225°C
Heated Bed Temperature 60°C
Enclosure Not Required
Hardened Nozzle Not Required
Drying Settings 40-45°C for 4-6 hours