Specification: Material: aluminum purity>99.7%. Dimension: diameter from 13.5mm to 40mm, length can be customized Internal Lacquer: gold/silver/white colors, to keep the good nature of the cream etc. inside Roller Coating: white or other colors as your requests, to achieve the perfect printing effect Printing: offset printing/silk screen printing/hot stamping gold or silver Bottom Latex: need or not, just depends on your requirements Nozzle Design: with membrane, open end, elongate nozzle, based on the customers' requirements Cap: various designs of caps for options Tube Shoulder: flat, brushed, polished, ringed or lacquered