1, 2ml. 2, PP tube,aluminium shell,Anti leaking brush 3, click pen, lip gloss pen, etc. Specifications1.easy to use and portable 2.favorable price. 3.available for logo print.The main ingredients of the pen is a kind of peroxide,hydrogen peroxide or carbamide peroxide or non peroxide. any concentration of 2ml, 4ml, any ml,hp, cp or non peroxide available. soft applicator brush.to use the pen, ...