Uninzi lwezitro ze-silicone ziyi-cylindrical, kodwa ezinye ziyi-square, oval kunye nezinye ezimile.Kubomi bemihla ngemihla, kufuneka sisele iti yobisi, iyogathi, iziselo kunye nezinye izihlandlo, sisebenzisa i-silica gel straw kakhulu.Intshayelelo ye-silica gel straw: Uninzi lwezitro ze-silicone zi-cylindrical, kodwa ezinye zisisikwere, i-oval, njl.
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