Our microwave plate cover is made by Food grade PP(polypropylene) material, it is a world-recognised food container safety material, BPA free and Melamine-free plastic and dishwasher safe. ➤Specification: Size: 11.5*29cm x 11cm Weight: 0.2kg Maximum temperature: 230℉(110℃) ➤ Package: 1 Microwave Plate Cover ➤TIP: 1. Make sure your microwave can hold on a large size cover. 2. Do not use it for more than 10 minutes in microwave at a time. 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