Hoʻohana kēia huahana i ka hoʻolālā multi-layer, me ka hana pale kiʻekiʻe ikaika. ʻO ka mea o ka papa waena he alumini alumini, ʻo ia ka moisture-proof, light-proof, me ka insulation wai maikaʻi, ka hana insulation oxygen. ʻO nā mea ʻē aʻe ma waena o ka ʻeke he nylon. Loaʻa iā ia ka ikaika tensile kiʻekiʻe, akā maikaʻi nō hoʻi ke kūpaʻa wela, ke kūpaʻa anuanu, ka pale ʻana i ka aila a me ke kūpaʻa ʻana o ka mea hoʻoheheʻe ʻia, ke kūpaʻa ʻaʻahu, ke kūpaʻa puncture maikaʻi.