ʻO ke kāʻei hoʻi (synthetic fiber) i hana ʻia me ka filament polyester ikaika kiʻekiʻe, he nui nā mea maikaʻi e like me ka ikaika kiʻekiʻe, ke kūpaʻa abrasion, ka pale ʻana o ka oxidation, ka pale ʻana o UV, etc.Nui nā ʻano kāʻei hāpai.Hiki ke hoʻokaʻawale ʻia nā kāʻei hoʻokiʻekiʻe maʻamau (e like me ke ʻano o ke kāʻei hoʻokiʻekiʻe) i: Flat pālua apo apo, Flexible pālua apo apo, Flexible apo.