As per DOHMH Section of Law §12-03 Distribution of window guard and lead paint notices:
Owners to issue annual notice reminder. Between January 1 and February 15 each year, each owner must transmit a notice reminder by any means practical, including by electronic messaging to all occupants, or by posting such notices in the common areas of the multiple dwelling
Material vinyl (non-metal) high-gloss adhesive-backed decal three (3) mils in thickness, using a thermal printing water-resistant printing technique
Dimensions 8 ½ inches by 11 inches with rounded corners
Mounting easily remove the backing and affix onto required location
Colors Black and red font on a white backing