50 Acrylic half bubbles
Follow these steps for easy application :
After the nail polish is dry, put a top coat layer and pick up the rhinestone(s) with your pick up tool and place them as you wish...
When you are done, finish with another top coat layer. For a better hold apply again a top coat layer twice and allow to dry an hour in between ...
Et voilà !!
They also can be included in UV gel and acrylic.