Viva Decor 130080 Glass Effect Gel 25ml, Crystal Clear Use this glass effect craft gel on all transparent surfaces to produce your own incredible glass design effects Use with a stencil or dab it on to leave a lasting impression on your artwork Drying time is 3-4 hours This package contains one 25-mL tube of glass effect gel Available in crystal clear color 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