Resists deep scratches and maintains sharp knives; 15.5” x 10” Double sided use helps easy to classify Durable, non-porous, odor-resistant polypropylene Boards These mats are BPA free & dishwasher safe 100% GUARANTEE: We stand behind our product. All of our cutting boards come with a LIFETIME NO QUESTIONS ASKED WARRANTY. If you are at all unsatisfied with your product for any reason, please contact us (through Amazon if past the standard return window) and we will be happy to assist you. Our goal is for you to be happy!