We can offer borosilicate glass tubes with various sizes and colors C. ... (10-6k-1)Available colorsClear, Opaque white, opaque black, transparent black, Dark blue ,light blue, amber, yellow, green, ... x 4mm, 51 x 4.8mmNote: standard length of clear tubing:1500mm; standard length of colored tubing:1220mmApplicationglass bong, ... , wine bottles of top-quality, decoration, fitment Borosilicate clear glass tube