colored borosilicate glass rod 1) red,black,pink,purple,green,etc. 2) Dia4~30mm, 1200mm long colored borosilicate glass ... rod 1) color: red, pink, purple, green, yello, amber, dark/light blue, opaque/transparent black 2 ... ) for decoration accessories colored borosilicate glass rod (red,black,pink,purple,green,yellow,amber,blue)