... )Available colorsClear, Opaque white, opaque black, transparent black, Dark blue ,light blue, amber, yellow, green, pink,Purple, redRegularly stocked tubing size7x1 ... , 51 x 4mm, 51 x 4.8mmNote: standard length of clear tubing:1500mm; standard length of colored tubing:1220mmApplicationglass bong, waterpipe ... , food packing, wine bottles of top-quality, decoration, fitment Borosilicate clear glass tube