Product information Package includes: 1PCS Roll Aluminum Foil.Materials used are Food grade, pollution-free, environmental-friendly and recyclable It is also High Temperature sterilization for food container 1. Can be baked in oven directly. Bear super high temperature. Temperature range of -16℃ to 240℃. 2. Color won't fade when heated 3. Can be frozen directly too. Bear super low temperature. 4. Can be used as mold 5. Disposable, ecofriendly, healthy, biodegradable