Minigrip introduced the first integral zipper in the industrial packaging market in the U.S. in 1959. And when we did, we marketed our new product with a red line on the lip of each bag. Since then, Minigrip? Red Line ? has become synonymous with the highest quality zipper bag in the world.
 
Suitable for food use. 
 
Certification: ISO 9001.
 
Minigrip introduced the first integral zipper in the industrial packaging market in the U.S. in 1959. And when we did, we marketed our new product with a red line on the lip of each bag. Since then, Minigrip? Red Line ? has become synonymous with the highest quality zipper bag in the world.