Use the interlocking Profile Boards and Connector pieces to create the layout perimeters and mountain profiles. Place Boards end-to-end or stack to any height using the Connectors.< Trim Profile Boards with the Hot Wire Foam Cutter or a Foam Knife and glue in place with Foam Tack Glue or the Low Temp Foam Glue Gun and Glue Sticks. Each Board measures 24" l x 8" h (20.3 cm x 60.9 cm). The thickest section is 1" (25 mm) and the thinnest section is 1/2" (12mm) ST1419 - Profile Boards - 2 Profile Boards and 2 Connectors per package