ʻO ka ʻupena plastik i ulana ʻia ke ʻano nui o ka ulana ʻana o ka ʻupena ʻupena plastik.He palupalu ia ma mua o ka mesh plastic extruded, no laila ʻaʻole ia e hōʻeha a hōʻino paha i nā mea kanu a me nā hua.Hāʻawi pinepine ʻia ka wili plastik mesh i loko o nā ʻōwili.ʻAʻole e hemo ke ʻoki ʻia i ka nui.