1, 2ml. 2, PP tube,aluminium shell,Anti leaking brush 3, click pen, lip gloss pen, etc. Specifications1.easy to ... , 4ml, any ml,hp, cp or non peroxide available. soft applicator brush.to use the pen, just twist the bottom of the ... the pen to release some gel onto the in-build brush, brush on the teeth surface. after 15 minutes, wipe off the ...