Message from manufacturer:
Because this product is made of silicone rubber, it may have an odour when you first receive it. This odour will disappear with time.
Temperature range: Innovatively designed to withstand temperatures from -50 to 250 degree, providing even heat-spread whilst remaining odour-free.
Freezer safe: Able to be filled with any ingredients until perfectly chilled or frozen.
Dishwasher safe: Good for convenient and efficient clean up.