Silvermark Prep-to-Pan Mini Folding Cutting Board with Built-In Sharpener, White One Prep-to-Pan Mini Folding Cutting Board with Built-In Sharpener in White Super-hard durable material will not dull cutlery; flexible crease will not wear with use Folding design bends for neat, accurate transfer of food Convenient built-in knife sharpener Opens to 8 by 12-Inch; closes to 4 by 12-inch for storage; dishwasher safe