Kumenyekanisha ibintu byinshi kandi biramba 100ml icupa rya PET icupa - igisubizo cyiza kububiko bwawe bwose no gupakira. Ikozwe mu bikoresho byo mu rwego rwo hejuru byo mu rwego rwa PET plastike, icupa rifite umutekano kandi ryoroshye kubika amazi, amavuta, geles, nibindi byinshi. Hamwe nigishushanyo cyoroshye kandi cyiza, kirashobora guhuza byoroshye mumufuka wawe, imizigo, cyangwa igikapu, bigatuma biba byiza murugendo no gukoresha. Icupa riza rifite ingofero idashobora gufunga neza kugirango wirinde kumeneka, kwemeza ko ibicuruzwa byawe bigumya gushya kandi bifite umutekano.