Ukukhetha phakathi kwe-PET strap (i-polyester strap) kunye ne-steel strapping yenye yezona zigqibo zibalulekileyo kwi-industrial package. Umtya we-PET unikezela ukuya kuthi ga kwi-50% yokonga ngenyawo nganye, ususa imingcipheko yokulimala kwimida ebukhali kunye ne-snap-back, kwaye ibonelela ngokugcinwa koxinzelelo oluphezulu njengoko imithwalo ihlala ngexesha lokuhamba. Iintambo zentsimbi zihambisa ubungqongqo kwimithwalo egqithisileyo kodwa zithwala iindleko ezifihlakeleyo ezibandakanya iimfuno eziphezulu zabasebenzi, umngcipheko wongcoliseko lomhlwa, kunye nokunxitywa kwezixhobo. Ngokwedatha yeshishini, umtya we-PET ubonelela ngokuphindwe kane kumgca ocacileyo ngetoni nganye xa kuthelekiswa nentsimbi, itshintsha ngokusisiseko i-equation yeendleko.