This beautiful Terrazzo board is made from concrete. We recommend that you use this extremely decorative product to serve up everyday dishes, or when you want to impress your guests. It is water resistant but not microwave nor dishwasher safe. Dimensions Medium: Ø20 x 1.2 cm Large: Ø30 x 1.3 cm Material: Concrete Care instructions: Not microwave and not dishwasher safe  Weight: 900g