- Eco-Friendly and Safe Oven Liner Protector Our oven bottom liners are 100% PFOA & BPA free, food grade and safe to use. They dont crack, smoke or releases harmful chemicals. These non-stick, high-temperature resistant (up to 260C) oven liner sheets safely protect your kitchen's most valuable appliance with no toxic chemical release, and while wasting no energy.- Reduce Oven Cleaning Whether youre using gas, electric or fan-assisted ovens, baking pans or mats, food can spill over or between grates. These oven bottom liner protector mats help protect the oven, so you never have to worry about any time-consuming cleaning.- Cut to Fit Our extra thick heavy-duty Teflon oven liners can be trimmed, if required, to meet your exact oven dimensions for a perfect fit.- 100% Non-Stick Reusable Oven Mat Made of durable, heat-resistant fiberglass, these oven liners are PTFE Teflon coated and can be used both sides for all ovens, baking mat, grill mat, pan/tray liner, & microwave - safely catching food and drippings that wipe away easily.- Dishwasher Safe You can easily wipe away leftover foods, spills or dried on liquids, or you may put it in the dishwasher for fast and easy clean-up. Lasts for years.