How to use :

Choose a smooth, clean and dry surface. Peel the stickers from the sheet one by one
Position the adhesive on a plane surface without pressing them, so that it let's possibility to withdraw them and reposition again.
If the result is satisfactory for you, stick firmly to the surface pressing the air bubbles outwards.
If it have bubbles, take a needle to bore them.
Clean the smooth surface before sticking it on.