Roma Plastilina - Firm by Chavant Modeling Clay Save Liquid error (product-badge line 32): Computation results to '-Infinity'% $12.85 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Weight: 2 lbs per unit Color: Grey-Green Never hardens One of the world's finest modeling plastilinas. It is permanently pliable and the choice of professional sculptors everywhere.