3. The label paper on the product is remove-able, 4. Built-in steam vents (on the top of the microwave plate cover) should be open when cooking. Any question, please feel free to contact us. we will solve it for you ASAP. Welcome to order, Thank you very much for your support.
https://www.amazon.com/Microwave-Plate-Cover-cover-Dishwasher/dp/B082VRYFGN

