Non-Toxic: Safe And sound for use in a number of industries, like food packaging, our polypropylene bags are made out of non-harmful products, ensuring they do not pose any harm to people or the ecosystem. Polypropylene Multifilament Yarn is produced by extruding polymer through spinnerets and combining the extruded filaments https://www.jtfpack.com/products/bopp-pinch-bottom-bags/