Biodegradable Self-Seal Postal Sacks & Mail Bags Henan Derun New Material Technology Co., Ltd. Base Info Transport Package:CartonTrademark:NonCertificates:En13432, BpiMaterial:Pbat+PLA+Corn StarchFeature:Bio-DegradableSpecification:can be customizedOrigin:Henan, China Description Pre:Source Manufacturer: Black Film Bag, Transparent Bag, Chemical Liquid Bag Next:Plastic Packaging Bag with Many Styles to Pack and Use in Different Packaging Field