Yes, our Multiportions trays are made of platinum quality silicone, which is freezer, microwave, dishwasher and oven (up to 400 degrees Fahrenheit /200 degrees Celsius) safe. *The plastic lid that comes with the Multiportions is NOT oven safe ...
There is currently no known safe treatment to make silicone stain proof or stain resistant. Since we use the highest grade silicone for our goodies, and because silicone is a naturally porous material, the natural dyes found in highly pigmented foods like beets and sweet potatoes may sometimes cause discoloration. A si...