... such as new shape, material, color,size, printing, packaging and so on.4)Dishwasher and microware safe , heat resistant. acid ... such as new shape, material, color,size, printing, packaging and so on.4)Dishwasher and microware safe , heat resistant. ... acid-resistant, alkali-resistant and strengthened without harmful substances such as lead or cadmium. 2PCS combinational ceramic salt and pepper sets