No glue needed! Use for signs, presentations, arts and crafts, school projects, and science fairs! More Info: ARTSKILLS-Reusable Stencils Use these fantastic pieces to create a really cool and unique poster project! Each stencil is 3 inches tall, is see-through and is reusable. This package contains sixty plastic stencils (one set of letters, one set of numbers and one set of punctuation, symbols and shapes). Conforms to ASTM D 4236. Imported.BICW