DRY ERASE BOARD 24" x 36" - Manufactured from Wood 1/8" (3.175mm) thick- Best DRY ERASE BOARD for home and office - Extra sturdy, will not warp - Writing Surface Erases with No Marker Ghosting - 100% THE IDEA BOARDS are 1/8" thick and made from recycled wood. THE IDEA BOARD will not warp and edges are rounded for safety. THE IDEA BOARD'S writing surface is guaranteed to not stain, peel off or flake off. THE IDEA BOARD has great erasibility. THE IDEA BOARD is pre-drilled on four corners to allow you to easily hang the board vertically or horizontally. One marker holder clip is included that has a peel and stick backing and will adhere to any smooth surface or you can clip the holder to the side of THE IDEA BOARD. The clip will not hold "fat" markers. Best Choice Parent has inserted care and instruction information to make the best use of your new board. MADE IN THE USA