This Blue Day of the Dead Sugar Skull Sticker is great for any smooth surface like walls doors desks windows notebooks lockers and more. Just simply peel and apply on any clean smooth surface. The sticker is printed on heavy 6mil vinyl with a 2 mil polyester laminate added to protect it. CMYK fade and scratch resistant inks are used to make the ticker Ideal for indoor or outdoor use and are rated to last up to 5 years outdoors.