DRINKWARE FAQs - FREQUENTLY ASKED QUESTIONS
6.
Can I take the liquid container with its frozen content
out of a freezer without defrosting it first and then heat it
in a microwave oven right away?
Yes,
it has been proven in an experiment that the liquid containers
can handle any sudden change in temperature. There are no signs
of cracking, crazing, explosion, deformation or any other damage
after testing.