16" x 24" 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. MULTIPLE PROJECTS - Two surfaces allow you to work on multiple projects at once. DIMENSIONS - 16" x 24" x 1/2", Convenient size is easy to store. 2 PACK  Includes 16 x 24 Homasote boards.