15 ml or 30ml
The rubber base has a great advantage over many other bases:
the first is flexibility
the second is a large selection of camouflage colors and transparent.
the third is a big time saving work.
Well, of course, his durability and quality!
The rubber base can be applied as a gel varnish base + color, as well as base + nails, as well base + top.
It can be applied in a thin layer as a base under the gel polish, as well as level the nail plate, the method of modeling, as a liquid gel.
Very good base for all gel and acrylic gel .