This ID overlay is an easy way to achieve ID Card security at an affordable price. The specialty microfilm applies similar to a sticker with a strong adhesive backing which will not come off once applied. This pack of 50 holograms is discounted for a quantity pack. After applying view your ID badge from the side and you can see the holographic imaging. When viewing from the front or straight on these images do not block the design on the card itself for an indisputable method of security.