Iyi sakoshi ikozwe mubintu bitatu bigize (MOPP / PET / PE), igice cyo hanze ni firime ya MOPP, kandi ingaruka zikonje nibyiza kubyumva, bigatuma irushaho kuba murwego rwo hejuru. Igice cyo hagati ni cyera yinka yometse kuri PET, ishobora guhagarika urumuri no kwirinda imirasire ya ultraviolet. Igice cyimbere ni PE, gifite imitungo myiza yo gufunga hamwe nibintu byiza bya barrière.
Umufuka ufite zipper urashobora gufungwa kugirango wongere ukoreshe.