... Certification:NTSQP 4)Color&printing:custom biodegradable waste bag for petEPI/TDPA oxo-biodegradable dog poop bag 1. Material:HDPE,LDPE+EPI2 ... or mechanical stress. Itembiodegradable waste bag for petTypeStar seal on roll,flat bag,t shirt bag,etc.MaterialHDPE/LDPE+EPI(TDPA) ... been in this field for more than 8 years - biodegradable bag, bagasse tableware, PLA cutlery and cups, water saving devices ...