Species: Birch, Baltic Size: 12x19 inches Thickness: 1/4 Inch Finishing: Unfinished Hand Sorted: No Patches Features: Grade B/BB –but hand sorted to remove all patches for better quality boards. This means one side is Grade B and the reverse side is officially Grade BB, although we hand sort the boards to remove all patches, the most intrusive of the defects. Patches: As can be seen from the image, patches are subtle and color matched, but when stained, the patch is very obvious. If you display both sides, the patch will be noticeable. Advantages of Baltic Birch: Known for its straight wood grain and attractive pattern and light coloration. It is also strong and durable. It has superior strength and stability. Uses: Uses are endless but popular uses are laser cutting and engraving as well as scroll saw work. Perfect for routers, CNC and wood burning too. Craft Closet Brand: We also provide MDF and MDF core natural wood veneers.