Package includes: 4 sign and instruction Using static cling technical, Stick very strong, easy to remove and re-apply anytime you want. How to apply: Step 1: Clean the area thoroughly with 1% soapy water (1 drop of hand-soap in 200 mL water Step 2: Carefully peel away the backing and avoid letting the cling fold over on itself. Place the side that had the backing against the surface and apply the cling to the window Step 3: Use a squeegee or credit card to squeeze out access water by pressing from the center outwards. You can spray more soapy water on the back of the graphic to lubricate the surface as you are eliminating air bubbles. Clean excess water on the whole area Remove and Re-apply: To remove the cling, carefully peel the cling from the corner. To store, keep the cling against smooth backing surface (plastic or smooth paper) To re-apply the cling, rinse thoroughly the cling with 1% soapy water, then follow the 3-steps above to re-apply the cling.