Icyegeranyo cyiza cyibiganza byakozwe na borosilicate
Uruvange rwiza rwubuhanzi, ubwiza, nibikorwa.Yakozwe mubwitonzi bwitondewe no kwitondera amakuru arambuye, ibirahuri bya tumbler bifite amabara arangiye byashizweho kugirango wongere uburambe bwawe bwo kunywa no kongeramo gukoraho ubuhanga muburyo bwo kumeza.
Biboneka muri Birindwi birindwi kandi byiza birangiye, ibikombe byibirahure byacu biragaragara kubwagaciro kadasanzwe no kubishushanya bidasanzwe.Buri gikombe kirimbishijwe na safiro nyinshi kandi nziza cyane zisimburana neza hejuru, zigakora uburyo bunonosoye kandi bushimishije amaso.Umukino ushimishije wumucyo namabara byakozwe naba safiro byanze bikunze bizashimisha abashyitsi bawe kandi ube intangiriro yikiganiro mubiterane cyangwa ibirori.