1.High Borosilicate glass 3.3 2.lead free,heat resistant 3.Dia:5- ... 2002 5.Smoking,crafts,lightin Six petals clear borosilicate glass tubingCompany Introduction:Huailai Tianyuan Special Type Glass Co.,Ltd.whish is a professional ... ,Purple, Opaque black,Transparent black,Opaque white.Borosilicate glass drinking strawsA:Available colors Clear,dark blue,light blue,green,teal,amber,yellow ...