Specifications include, but are not limited to: These specifications are for pressure sensitive removable inserts for vehicle stickers which are applied to the inside of windshields. These inserts shall be manufactured in a manner so as to permit them to be affixed to the certificate of inspection sticker in the space provided. Numbers shall be printed as per the attached sample. Adhesive and liner to be on face of printed insert. Once applied in accordance with application instructions, the insert must remain firmly affixed for a period of twenty four (24) months without fading or shrinking.