ʻAʻole kūlike ka hana i ke kūʻē ʻana i ka ʻili, abrasion, ʻāhaʻi, mae, ka wā, wai ʻole, a me ka maʻemaʻe. ʻO ia ka PVC, Polyurethane, a me ka BPA ʻole, a hana ʻia me ka hoʻohana ʻole ʻana i nā plasticizers a i ʻole phthalates. Eia kekahi, e hāʻawi i ke kūʻokoʻa hoʻolālā kiʻekiʻe me kahi ākea o nā koho i hoʻohālikelike ʻia i nā kala, nā mea i makemake ʻia, a me nā substrates. E nānā i nā mea ʻili ʻili hou aʻe, pehea e hoʻokō ai i ka hui pū ʻana o ke ʻano o ka nani, kaila, a me ka ʻoluʻolu?