Traditional bamboo, wood, and plastic chopping boards will become black mold after using for a period of time. Moldy chopping boards will breed a lot of carcinogenic toxins and affect your health. Mouldy cutting board cutting board cracking Wheat straw material Wheat straw hot-pressed, natural material, safe and healthy Free of heavy metals Natural wheat straw raw material, no heavy metals, no plasticizers Degradable and environmentally friendly materials SIZE:28*34*1.5CM