12" x 12" Homasote Board - 2 Pack HOMASOTE BOARD - Great multi-purpose surface - a must have in every studio. HEAT RESISTANT - Heat resistant surface is ideal for soldering. PANEL ASSEMBLY - Use with layout blocks for panel assembly. DIMENSIONS - 12" x 12" x 1/2", Convenient size is easy to store. 2 PACK  Includes 12 x 12 Homasote boards.