Izinto eziphathekayo: i-polyurethaneUmbala: obomvuUluhlu lobudala (inkcazo): ulutsha, iminyaka eyi-9-12 ubudalaIimpahla zeMidlalo: Ibhola ekhatywayo yaseMelikaMalunga nale mvelisoIsigqubuthelo esihlanganisiweyo se-PU sokufuma: Ukusebenza okuphezulu kwe-PU yesikhumba edibeneyo kubonelela ukuthamba kunye nokucotha.-I-liner yangaphakathi: I-butyl liner yokugcina umoya ixesha elide.-Iintambo ezimbini zesikhumba: Ukunyuswa komnwe kunye nokudityaniswa kweleyisi ukubamba okuphezulu.-Ubukhulu: Ulutsha(Iminyaka:9-12),Ulutsha(Ubudala:12-14),Osemthethweni(Ubudala:14+)Qaphela: Ibhola oyifumanayo iyavutheka.