CAN TRAVEL TUMBLER GO IN THE MICROWAVE? 19 May 2021 16:15 Updated Follow No: all 24Bottles products are made of stainless steel and it is not safe to put them in the microwave. Related articles CAN I USE TRAVEL TUMBLER WITH REUSABLE STRAWS? IS TRAVEL TUMBLER DISHWASHER SAFE? HOW CAN I CLEAN THE LIDS OF MY 24BOTTLES? HOW CAN I CLEAN MY 24BOTTLES? HOW CAN I CLEAN MY TRAVEL TUMBLER?