borosilicate colored glass tube Available colores :clear ,dark blue,light ... home decoration /adommentPersonality :green&healthy products Colored borosilicate glass Available colores :clear ,dark blue,light blue,amber,light ... pink,red and opaque black ,opaque white Regularly stocked tubing size: 25*4mm 32*3.2,32*4,38 ... index0.921Main CompositionSiO2B2O3Na2O+K2OAl2O3811342 borosilicate colored glass tube