Viva Decor .8-Ounce Glass Effect Gel Pen Contour Color, Lead Grey Achieve a totally unique effect with the Viva Decor Glass Gel Pen Transparent when dry, just like real glass Control the size of the drops of gel you apply with the pen applicator Suitable for stenciling using a template Dry in an oven at 160 degrees for 15 or 20 minutes to make it more permanent