These are a great choice for organization and attention getting! Use up to two years. Will not not to leave a sticky residue. Easy on easy off! Make your event unique! Easy to install and a great way to eliminate confusion. Our dots are made using an indoor/outdoor adhesive that is designed to leave no residue. Keep in mind that before using it is better to clean the target area when you want to apply this decal. No special preparation is required - just clean and dry. Use to highlight points of interest. Label supplies and equipment. Mark workstations. Create a trail of small dots for unobtrusive wayfinding. Most often used on smooth indoor surfaces at trade shows conferences schools and walking tours. Improve your patient satisfaction by using these easy to follow dots to the correct department. Add customer service to your auto dealership with an easy path to the parts counter or service desk. There are many creative ways to use these dots.