Virtually all our products are safe to use in microwaves and dishwashers. This is indicated by icons on the products themselves.
Using the dishwasher does involve one small risk: the sometimes harsh detergents can cause the colours in IML labels to fade, or scratch or damage the label. If the dishwasher is being used, it is best to place the products in the upper tray, and set the dishwasher to a maximum of 70 °C.