Companies that produce environmentally friendly hanging bags certify their products. These certification processes certify that the products are really made with biodegradable materials and are really better for the environment. These documents are prepared in accordance with international standards. These companies also avoid environmentally damaging techniques and save energy in their production processes. In this way, not only are their products environmentally friendly, but also their production processes. The certification process also gives customers the confidence to choose environmentally friendly hanging bags.