Armour Etch is a fast acting specially formulated glass etching compound that lets you create permanent etched designs on windows, mirrors & household glassware. Create your own custom glass etching stencil or use one of our pre-cut stencils. This unique glass etching system enables anyone to personalize & decorate glass or mirrors in minutes with no previous experience. Not intended for use by children Will not etch plastics or some Pyrex Not recommended for etching large areas of glass over one inch by one inch Armour Etch 2.8Oz Cream For Glass Etching With Circuit Vinyl Or Stencils Diy Your Own Wine Glasses Mirror Decor