Iimold ze-silicone zomkhenkce azina-BPA kwaye zenziwe ngezinto ze-silicone zebakala lokutya.Ziza ngemibala eyahlukahlukeneyo.Izinto ze-silicone eziguquguqukayo zenza kube lula ukutyhala iityhubhu ngaphakathi ngaphandle kokungunda.I-Yongli iphinda ibonelele nge-ice cube molds kubasetyhini ukuba bafake ubuso bonke phambi kokwenza.Ezi zibumba zilula ukuzisebenzisa kwaye zisebenza kakhulu ekuphuculeni ulusu nge-ice cube.