Ukusebenza akunakuqhathaniswa ngokumelana namabala, ukuklwebheka, ukuqhekeka, ukufiphala, isimo sezulu, ukungangenwa manzi, kanye nokuhlanzeka. Ayinayo i-PVC, i-Polyurethane, kanye ne-BPA, futhi yenziwe ngaphandle kokusebenzisa ama-plasticizer noma ama-phthalates. Ngaphezu kwalokho, nikeza inkululeko yokuklama ephezulu ngezinketho eziningi ezenzelwe wena ngemibala, ukuthungwa okufiselekayo, kanye nezingxenye ezingaphansi. Bheka izinto ezintsha zesikhumba, ukuthi ungafinyelela kanjani ukuhlanganiswa okuvumelanayo komuzwa wobuhle, isitayela, kanye nokukhululekile?