Note: Do not place the sink pad directly under boiling water and hot pot to avoid deformation. Before use, if there is any unevenness, you can soak it in warm water to make it smooth. Modern Design and Practical Functions: Unique design, Bligli sink mat is made of heavy, flexible PVC material, it can stay put at the sink bottom to protect sink surface from scratches and provide cushion to tableware, porcelain dishes, ceramics and glassware while washing.