1 roll/pkg - 8 in w x 5 yd l, 10 ft2 (20.3 cm x 4.57 m x 92.9 dm2)

1 roll/pkg - 8 in x 15 yd, 30 ft2(20.3 cm x 13.7 m, 278 dm2)

1/2 gal (1.89 L) A specially formulated new Lightweight Hydrocal for terrain model builders. Lightweight Hydrocal is nearly half the weight of Hydrocal, goes almost twice as far, and is the tough, quick setting product. *Hydrocal is a product of U.S. Gypsum. Net wt....