Puniki rumasuk mikrofiber saking pengangge, mikrobead, miwah biji plastik (kauningin antuk nurdles).[4][5][6] Kalih mikroplastik kekaryaning saking degradasi plastik ageng sané ngeranjing palemahan keni proses cuaca alami.
These include microfibers from clothing, microbeads, and plastic pellets (also known as nurdles).[4][5][6] Secondary microplastics are microplastics that are created from the degradation of larger plastic products once they enter the environment through natural weathering processes.