Maple Cutting Boards 1-1/2" Thick (R-Board Series)The Maple R Board Series is the #1 cutting board choice of culinary professionals worldwide. Made of solid North American Maple, these NSF Certified cutting boards are 1 1 2 and are available in 3 various sizes. Each cutting board includes recessed finger grips and is reversible to allow for a food specific cutting surface. Each cutting board is durable enough to withstand constant cutting, chopping, and slicing (with proper care & maintenance.)