... ,aluminium shell,Anti leaking brush 3, click pen, lip gloss pen, etc. Specifications1.easy to use and portable ... for logo print.The main ingredients of the pen is a kind of peroxide,hydrogen peroxide or ... concentration of 2ml, 4ml, any ml,hp, cp or non peroxide available. soft applicator brush.to use ... are and whenever you want.instant whitening.whitening pen shell are available for golden, black, silver ...