Our signature Architec Poly-Gripper cutting board is made of a rigid poly material that will not warp and is dishwasher safe. The patented Gripper™ base with over 300 thermally bonded gripping feet will not come loose, giving you the best in class non-slip technology. Use it for everyday food prep; it's dishwasher safe. The 11" x 14" size is great for any cutting or slicing task.