Made with highest quality 100% platinum silicone, making it completely odorless, anti-bacteria and resistant to high and low temperatures. It does not alter the flavour of foods, or leave any kind of residue. Its versatility and ability to withstand to high temperatures make it safe to use in the microwave, oven, dishwasher, refrigerator and freezer. Made to withstand high temperatures: -76ºF and 446ºF. Made in Italy.