What kind of kraft paper is usually used to produce food paper bags?

Hello, kraft paper bags are non-toxic, odorless and pollution-free, meet the national environmental protection standards, have high strength and high environmental protection, and are one of the most popular environmental protection packaging materials in the world at present. Kraft paper bags made of kraft paper are widely used. When shopping in supermarkets, shopping malls, shoe stores, clothing stores and other places, kraft paper bags are generally available to facilitate customers to carry their shopping items. Kraft paper bag is an environmentally friendly packaging bag, and there are many kinds. Hope to adopt