You can easily avoid cross-contamination with the 4 Piece Cutting Mat Set. Each of the color-coded mats also features a helpful graphic on the tab, making it simple to pick out each mat for cutting fish, vegetables, beef, and chicken. This product contains: (list of relevant chemicals). For more information about chemicals in this product, visit / Para más información sobre las sustancias químicas contenidas en este producto, visite: https://shop.cuisinart.com/chemical-disclosure