Happilar Large Bamboo Wide Grain Cutting Board 20 Inches with Groove Cutting board is strong and durable,but will not dull your knives Constructed of high quality bamboo which is harvested at the optimum age of 5 years Easy to maintain,wash with warm water Revitalizing Oil to extend life and beauty This cutting board is eco-friendly, biodegradable, antimicrobial,and FDA approved