Flows beautifully better than stone to create a smoother die and to capture minute detail. No hand-mixing"inject it directly from the automix cartridge into impression. Exceptionally hard set"90+ Durometer. Slightly flexible, so composite inlays release easily. (1) 50ml automix cartridge of MACH-2 silicone (2) 50ml automix cartridges of Super-Fast Blu-Mousse (100ml ttl.) (4) Reusable base trays. Mixing tips Intraoral tips