Izikhwama zePolypropylene ezilukiwe ziqinile kakhulu futhi zingasetshenziswa ezimeni ezomile nezimanzi.Lezi zikhwama zingcono kakhulu uma kunemithwalo esindayo kakhulu.Ama-airbag alukiwe nge-Poly anokuqina okukhulu kune-Kraft paper dunnage airbags ukuze athintane kakhulu namaphalethi.Izinto ezilukiwe zama-airbags ezi-Poly zinikeza amandla amakhulu okudabula, nokumelana nomswakama okuphakeme kunezinye izinto eziningi zezikhwama ze-dunnage.Ama-airbag alukiwe nge-Poly avamise ukuba namathuba amakhulu okuphinda asetshenziswe, ngenxa yokuqina kwento elukiweyo, futhi ayagaywa kabusha.