Ko te kakahu PU he polyurethane, ko te nuinga he mea hanga mai i te hiato muka rapa nui, he rite nga ahuatanga ki te hiako tuuturu, he iti ake te matiti papanga pu, he nui te whakamahi.Na te mea he maamaa noa te papanga pu, he tino pai te aukati i te kino parewai, a he tino pai te awe o te whakauru wai.I muri i te tango i te wai, karekau he pupuhi, he rereke ranei.I te wa ano, he tino ngawari ki te tiaki.I te mea he hiako, he ngawari te kakara, he utu te utu.