Made in Sweden from the unbleached pulp of Scandinavian spruce trees a natural, renewable resource If You Care Snack and Sandwich Bags are greaseproof, and provide a natural barrier which prevents grease or fat from penetrating. They are not treated with petroleum based paraffin wax or any other wax. Like all of our If You Care paper products, these snack and sandwich bags are totally chlorine free, as a result of which, no chlorine is dumped into our lakes, rivers and streams. Perfect for snacks, cookies, muffins, nuts, chips, sandwiches and much more.