Professionally display school security, safety or sign-in policy messages. Made of a UV-inhibitor Vinyl, the decals adheres permanently & colors stay vibrant for years to come. Mounting options include Inside which is inaccessible from the outside & adhesive is on the message side or Outside with the adhesive on the back side of the decal. Included with your decals is our Felt Applicator, to work out any bubbles during application & give instillation a professional look. Simply peel the backing from the top, slowly stick as you peel down.