... our colored borosilicate colored glass tube. Description of ProductBorosilicate Clear and Colored Glass TubeColor:Clear, dark blue, light blue, amber, light ... yellow, green, pink, purple, red, black , milk white, etc.Size:* Diameter: regular 1-120mm, OEM Max ... with you soon. Best RegardsJessica John (Sales Manager) borosilicate clear and colored black glass tube