Contents: (1) 2.65lb (1200g) bag. This is the same casting stone formula (Step 2) that is supplied in our complete kits.
This is a Gypsum Cement that dries to a pristine white, provides fine detail and is chip & chalk resistant. It has high green strength (such as when demolding), remains workable while wet and gains its full strength once 100% dry. Overall, it is 3-4X stronger than the traditional art plaster or "plaster of paris."