Izibungu zeqhwa ze-silicone azinayo i-BPA futhi zenziwe ngezinto ezisezingeni lokudla ze-silicone.Ziza ngemibala ehlukahlukene.Impahla ye-silicone eguquguqukayo yenza kube lula ukusunduza amakhyubhu ngaphakathi ngaphandle kwesikhunta.I-Yongli iphinde inikeze isikhunta se-ice cube ukuze abesifazane bazigcobe ebusweni bonke ngaphambi kokwenza izimonyo.Lezi zibunjwa zisebenziseka kalula futhi zisebenza kahle kakhulu ekuthuthukiseni isikhumba nge-ice cube.