If You Care Aluminum Foil is made with 100% recycled aluminum. While traditional foil manufacturing is a power-intensive process, ours uses 95% less energy to produce. Because there is no need to mine, our production creates less waste, while reusing a precious resource. If You Care Aluminum Foil protects food against light, oxygen, humidity and bacteria. It is not recommended for use with acidic or fatty foods. If You Care Heavy Duty Aluminum Foil which is thicker, stronger and wider than our regular foil. It is perfect for BBQ, grill and oven use.