A Kraft bag is a type of paper bag that is made from Kraft paper. Kraft paper is a type of paper that is made from wood pulp. The wood pulp is treated with chemicals to make it strong and durable. Kraft bags are usually brown in color, but they can also be white. Kraft bags are often used for packaging food, such as bread, snacks, and cereal. They are also used for packaging other items, such as clothes and shoes.