PLA, polylactic acid, also known as T-shirt bag, starch fermented into lactic acid monomer become vest bag factory, resin polymerization of monomers. Our research and development through technical improvements, can be used for blown film and injection molding. Blowing out the film is colorless and transparent, and feel more brittle, do food storage bags. With ordinary polypropylene PP similar quality. After using buried in soil or compost inside 100% of all microbial degradation of the environment in 3-6 months into carbon dioxide and water, an organic fertilizer. Return to nature. Transparency is not high. Will produce the production pe vest pocket size, uneven thickness, different shipments often appear uneven thickness, so this demanding cautious orders. Transparency is not high. Production will produce pvc vest pocket size, uneven thickness, different shipments often appear uneven thickness, so this demanding cautious orders. Transparency is not high. Will produce the production size, uneven thickness, different shipments often appear uneven thickness, so this demanding cautious orders. Plastic vest bags, vest bags, linking Bin century by linking Bin Xiong Paper Packing Co. century. Xiong Bin-century Paper Packaging Co. (www.sjlbbz.com) strong, credible, Hebei Baoding bag industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead linking Bin century and you work into the brilliant, for a better future!