SUITABLE FOR: Cooking, roasting, grilling, keeping food fresh and keeping odours out. Wrapping and covering food. Keep foil away from electrical heating elements. Always consult the microwave manufacturer's instructions before using foil in a microwave oven. Allow food to cool completely before storing foil in refrigerators or freezers. Do not allow foil to come into direct contact with acidic foods such as citrus fruits or foods with high salt content. WARNING! TAKE CARE AS THIS CARTON CONTAINS A SHARP CUTTING EDGE. Conforms to UK & EU regulations for food use. WARNING! Under certain conditions salt in food and seasonings can cause discolouration and on occasion cause small holes. This can often be prevented by lightly coating the foil surface with cooking oil.