Chingwe cha PET(Polyester Strap) ndi mtundu watsopano wa lamba womangira womwe umadziwika padziko lonse lapansi pakali pano. Ndi ubwino wake wotsika mtengo, kukongola ndi kulimba, kusamalira chilengedwe, kubwezeretsanso zinthu, komanso luso lochita zinthu zokha, imagwiritsidwa ntchito kwambiri m'mafakitale monga chitsulo, aluminiyamu, ulusi wa mankhwala, thonje, fodya, mapepala, zoumbaumba, matabwa, ndi zitini zachitsulo.











