... ,Blue,Green,Teal,Pink,Purple, Opaque black,Transparent black,Opaque white.Borosilicate glass drinking strawsA:Available colors Clear,dark blue,light ... ,teal,amber,yellow,pink,purple,opaque black,transparent black,opaque white.B.Size Dia:9mm,9.5mm and 12mm Length:6"-10 ... .So for some colors,it is Grade A and Grade B.B.Producing glass bong,glass straw and other crafts:Firstly:we ...