Pre-cut for your convenience. Using Plaster Cloth is a quick, convenient and lightweight method for making durable hard shell or terrain base. Accepts Earth Colors(tm) Liquid Pigment, plaster castings and scenery materials easily. Use to fill gaps around rocks, tunnels and terrain seams. Package doubles as a dipping and storage tray. 30 sheets/pkg 8 in x 12 in, 19.8 ft2 (20.3 x 30.4 cm, 1.83 m2)