Parking lot stencils visitor 8h lettering parking lot stencils help make marking parking areas quick and easy!! parking lot stencils help direct traffic and keep parking areas safe and secure. Stencils are made of durable .060 thick polyethylene. Parking stencils conform to various flat and curved surfaces. Simply brush on or spray paint over stencil to apply message. Stencils are easy-to-clean; just roll stencil to remove excess dried paint.