Ukusebenza akufani nokumelana namabala, ukuhuzuka, ukuqhekeka, ukufiphala, isimo sezulu, ukungangeni kwamanzi, nokuhlanzeka. Ayina-PVC, i-Polyurethane, ne-BPA, futhi yenziwa ngaphandle kokusebenzisa ama-plasticizers noma ama-phthalates. Ngaphezu kwalokho, hlinzeka ngenkululeko ephezulu yokuklama ngezinketho eziningi ezihlanganisiwe ngemibala, ukwakheka okufiselekayo, nama-substrates. Bheka izinto ezihlukile zesikhumba ezivelayo, ungafinyelela kanjani ukuhlangana okuvumelanayo komqondo wobuhle, isitayela, nokunethezeka?