Over N Over Glass Etching Stencils can be used stand-alone or in combinations to create one of a kind etched glassware. Overall stencil sheet size is 5” x 8” (12.7 cm x 20.3 cm) Made from a flexible but durable material that can be used on flat and rounded surfaces as well as can be used many times depending on the care given when removing and reusing the stencil.