Ensure that your message sticks with this 8" x 12" inside of the window static cling. The reusable static cling is the perfect way to advertise without the use of tape or other forms of adhesive. Just peel and stick to your clear, smooth glass surface. It's made using 3.94 mil PVC materials and is designed to be placed on the inside of the window (printing faces outside). Includes full color printing (solid colors recommended).