PP strapping (polypropylene strapping) yi tlanga xiave xa nkoka eka ku pakiwa ka vurimi, ku sirhelela ti hay bales, cotton, silage, na swibyariwa swa swibyariwa kuva swi hlayisiwa naku fambisiwa. Ku akiwa ka yona loku nga vekiki, ku cinca-cinca ka yona ni ku durha ka yona swi endla leswaku yi va leyinene eka ndhawu leyi lavaka swa vurimi. Yikumeka hiku anama kusuka eka 5mm kuya eka 19mm na matimba yo tshoveka kusuka eka 45kg kuya eka 230kg, PP strapping yi amukela hinkwaswo kusuka eka ti light crop bundles kuya eka ti heavy hay bales. Nkongomiso lowu wu lavisisa matirhiselo ya nkoka, mimbuyelo, na swipimelo swo hlawula swa PP strapping eka matirhelo yo paka ya vurimi.