Kupaka zakudya ndi zakumwa kumafuna kuti azimanga zingwe zomwe zimakwaniritsa ukhondo ndi chitetezo. Chingwe cha PP (polypropylene strapping) chimapereka njira yoyera, yotetezeka, komanso yotsika mtengo yopezera zakudya ndi zakumwa panthawi yosungira ndi kunyamula. Kapangidwe kake kopanda poizoni, kukana chinyezi, komanso malo osalala amapangitsa kuti ikhale yoyenera kukhudzana ndi chakudya ikafotokozedwa bwino. Malinga ndi miyezo yamakampani, zomangira za PP zokhala ndi chakudya zimapezeka m'lifupi kuchokera ku 5mm mpaka 19mm zokhala ndi mphamvu zopumira kuchokera ku 45kg mpaka 230kg, zokhala ndi makatoni, mabotolo, zitini, ndi mitundu ina yonyamula zakudya ndi zakumwa.