Our versatile stencils effortlessly cling to objects of all shapes, granting you the freedom to etch, sand etch, or paint on glass, mirrors, ceramics, and other smooth surfaces. They even work wonders for classic stamping techniques! === FEATURES:=== Flexible, multi-use stencils easily adhere to various shaped objects Use to etch, sand etch, or paint on gl, mirror, ceramics and other non-porous surfaces Can also be used for more traditional varieties of stamping The height of each red rectangle containing a letter is 7/8".