Are your plastic lids suitable for use in the oven? 01 February 2021 09:55 Updated No, our plastic lids can not be used in a traditional oven. If so, the plastic will melt. Related articles Are your plastic storage lids, BPA free? Are Pyrex® glass products oven safe & to what temperature? What is the product life guarantee on Pyrex® glass products, if so what does it include? Difference between Pyrex® USA and Pyrex®Europe Can Pyrex® glass be used on the hob?