The manufacturing of Ziploc bags varies among different products.

The Ziploc Evolve bag is made using 35% less plastic than traditional Ziploc bags, and is manufactured using wind power, a cleaner renewable energy source.

The Ziploc Evolve bag is also packaged in recycled paperboard, a technique used to increase the conservation of trees.^[3] The regulation Ziploc storage and freezer bag is made from polypropylene plastic resin.^[4]